2 Way Walkie Talkies Choosing The Proper One

My basic review of the new communication device crossword it starts up well, looks rather awesome, is easy to run and very energy efficient, the two way radio communication language is a top quality product. I’m pleased I purchased it, read more beneath.

2 way radio antennaWalkie Talkies and 2 Way Radios can support you out really a little bit when you are camping, fishing, touring in the excellent outdoor, or even when you are working. Walkie Talkies and 2 Way radios are still well-liked even with the advent of the mobile mobile phone. Why is this? Fundamentally, the “classic” technique of Walkie Talkies and 2 Way radios nonetheless has significantly to provide.nnBasic two way Walkie Talkies are generally designed for the buyer and act as a moveable radio. They can entry any frequency in their area although the energy and range of this kind of a radio are constrained. Business 2 Way Walkie Talkies are developed to function below specific frequencies which have lengthier variety. Particularly, they are utilised in specialist and/or crisis capacities. As these kinds of, the professional frequencies are much more regulated.nnTwo Way radios are comparable to Walkie Talkies in the perception they are handheld communications products. They will operate on certain radio frequencies and are created for quick selection private or enterprise communications.nnNo matter which unit you obtain, you want to get the appropriate model for your needs. Below are a number of ideas to aid you make the correct acquire:nnDetermine the selection of the 2 Way Walkie Talkies or radios. In get to communicate with somebody on the other conclude, you need to have to be in variety of that person’s transmitter. Specific designs will appear with a range in a 20 mile radius. Other individuals could have a selection upwards of forty miles. It is vital you match the variety to your demands.nnThe amount of channels on the Walkie Talkie will also figure out your communications capabilities. As with range, various models will have increased or fewer channels. Be mindful of how a lot of channels you will be obtaining before you buy any Walkie Talkies.nnWhat is the dimensions and fat of the Walkie Talkies? Remember, you do have to have them close to. Walkie Talkies that are way too large and cumbersome may possibly not be what you want. There is sufficient range out there that you do not need to have to be locked in purchasing a specific dimensions.nnThe more attributes the Walkie Talkie will come with the better. Some two Way Walkie Talkies appear packed with all manner of attributes. Flashlights, compasses, GPS tracking, and even temperature bulletin channels are incorporated with particular designs. These extras are not just “bells and whistles.” They are designed to aid you keep your basic safety even if quite various terrains and environments. Access to these assorted functions could increased boost your protection at a time when that security is crucial.nnCost will constantly factor into the choice making. You do not require to acquire an very costly model but you will want to keep away from buying a low-cost product not able to deliver the features you need.nnA little little bit of added thought requirements to go into the acquire of two Way Walkie Talkies. You absolutely want them to work when you want them to and the way you want them to. Finding the appropriate model for your needs and spending budget will make this feasible.

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Narrowbanding – Walkie Talkie Repair

Some of these professional writers on the net are at such a top level that i wonder if any of them have ever printed a book? so from time to time i like to spotlight these outstanding items and here is one i found remarkable the other day.

two way radio casesFinding Narrowbanding service providers to take your Motorola radio or Motorola Mobile Radio and perform the physical and technical modifications required to meet the new UHF/VHF frequency requirements of the FCC are few and far between.
The right service provider will make hardware modifications to models that require physical changes, and for all models will complete the reprogramming needed to meet the January 1, 2013 deadline. In addition, the service provider should offer FCC licensing services, to assist you with the renewal or modifications of your existing license, which can be completed at the same time as your Narrowbanding service.

Experienced Technicians with Motorola Two Way Radios and the service providers that provide the Narrowbanding are rather scarce considering the demand needed for the FCC Changes. Finding the few service agents in the United States with both the expertise and skill needed to correctly and dependably reband your Motorola radio will take a little homework .
The technicians should specially trained on each of the radios models that need service, and complete thorough quality assurance testing on each radio to ensure that the repairs meet our stringent standards of excellence. When you find the right service provider, you will not only save thousands of dollars by keeping your equipment, but you can rest assured that the life-saving device that you depend on will be in the best of hands.

To find out more about Narrowbanding service for Motorola two way and portable radios or any other Two way radio repair click the links. For other information about two radio maintenance and repair visit our parent company below.

Cell Phone Towers and Mobile Phone Masts – Beacons of Harm

For a long time people have been telling me that relations, love and happiness are the most important things in life…At present I realized that I can take or leave all that as long as We have this two way radio utah in the world.

Is it a cactus? A palm tree? A water tower? No! It’s a cell phone tower! That’s right! Cell phone towers today are being disguised in subtle ways unheard of just a few years ago. See a grain silo? Or a church steeple? You guessed it. It could very well be a cell phone tower. There’s even a cell phone tower that looks just like a lighthouse…never mind that it’s over two miles from the ocean.

But don’t let the pretty and ingenious disguises fool you. There is a real and present danger lurking behind the mask of these innocent designs.

Why the disguises? Obviously, for aesthetic reasons. The cell phone companies don’t want to make their neighborhood friends upset. They want to blend in. So they blend in while they blast your home and neighborhood with toxic electromagnetic radiation.

Cell phone towers, sometimes called masts, or mobile phone towers, weren’t an issue years ago when they were few and far between. One could often drive miles and miles through the countryside and never see one. They were few in number and were only found in obscure locations and seen only on an occasional hilltop. Today cell phone towers have increased dramatically in number. There are now more than 1.9 million cell phone towers and antenna towers spread throughout the U.S. They are now found on churches, schools and firehouses as well as being seen on the rooftop of buildings everywhere. Did you know there is even a cell phone tower near Old Faithful in Yellowstone Park? Can’t sleep well at night? It may be that there’s a cell phone tower close by.

Just why would a mobile phone tower be placed on a church, school or firehouse? Why would school boards and churches agree to this? Money. It’s that simple. The mobile phone companies will pay these organizations, and individual property owners, handsomely to install their equipment on their properties. This “rent money” can range from a few hundred dollars a month to several thousand dollars a month. What school district or church couldn’t use extra money to aid a struggling budget? By “renting” the space on an already-constructed building the cell phone industry doesn’t have to purchase land, build a tower or construct a new building. It simply mounts its equipment on a structure that already exists. It’s a win-win deal for the cell phone company and the new ‘landlord.’

Opposition to these cell tower installments used to gone unnoticed and without question. Not so today. Neighborhoods and citizens are becoming vocally opposed. But it’s not the esthetics that causes residents and property owners to oppose these structures. Communities and citizens are afraid of the potential health effects being caused by this technology as well as the adverse affect on property values.

We Can’t Stop Cell Phone Tower Construction

Unfortunately, there isn’t much one can do to stop the proliferation and continued build out of cell phone towers and structures. Although thought to be legislation about deregulation issues, the Telecommunications Act of 1996 (TCA) was really an open invitation for the cell phone industry to place their towers anywhere they wanted. Section 704 of the TCA basically states that local authorities can’t ban the placement of towers in their jurisdictions. The law says: “No State or local government or instrumentality thereof may regulate the placement, construction, and modification of personal wireless service facilities on the basis of the environmental effects of radio frequency emissions to the extent that such facilities comply with the Commission’s regulations concerning such emissions.” So legally the local government can’t refuse the construction of a cell phone tower in your neighborhood! Any challenge by local communities could easily end up in federal court. Our lawmakers have basically given the cell phone industry free reign to install these towers wherever they want. And, by the way, the cell phone industry helped write this legislation that our government officials passed as law! The public, therefore, now has no voice and no vote. Is there something wrong with this picture? Why didn’t our public officials represent the people instead of big business? Why would you let the very industry you’re trying to regulate write it’s own laws?

Does the income outweigh the potential risks? It appears not. Scores of studies and well-respected research have exposed alarming health effects from various forms of cancer to stress. Many experts today are predicting an epidemic in brain cancer soon.

Representatives from the industry are quick to point out the microwaves emitted by cell phone towers are well below federal standards. And indeed they may be. At least on paper. Most towers operate at a power output of 100 watts. However, this isn’t the total wattage of the tower. What they aren’t telling you is that 100 watts is the power per channel. Since one tower may have dozens of channels you can see that the power output could be highly excessive and well beyond 100 watts. It’s a technical loophole. And, of course, who is monitoring the power output from these towers after they are erected? The FCC certainly isn’t. It doesn’t have the manpower or money to properly regulate the millions of towers and antennas now online. And who is to prevent these companies from turning up the wattage when no one is around? Some have reported that many of these towers have already shown power outputs in the 900 to 1000 watt range.

You Can’t Escape The Radiation. It’s Everywhere.

We simply can’t escape the exposure to this radiation. It’s everywhere. There are so many people using cell phones and wireless connections today that you don’t even have to own a cell phone to be exposed. You’re just as exposed as everyone else. Every time someone makes a call from a mobile phone the signal is sent to a cell phone tower. There are so many calls being made by everyone all around us and now there are so many mobile phone towers in operation, that all of us are caught in the crossfire. It’s like second-hand smoke from cigarettes, except that we can’t get away from it. There simply isn’t anywhere to escape.

How Mobile Phone Towers Work

Cell phone towers emit signals in a “flower petal” pattern around the tower. This 360-degree radius around the tower is called a “cell” and this is what the term “cell” in cell phone means. When your phone is in a “cell” you get good reception and when it isn’t in a?”cell” you get poor reception. So, for a cell phone company to provide complete coverage cell phone towers and antenna towers must be positioned all across the country so that the “cells” overlap. You can begin to see what a huge infrastructure needs to be created to provide complete cell phone coverage. That’s why cell phone towers and antenna towers are so prevalent. Furthermore, that’s why these antennas are installed in so many places like rooftops, fire stations, schools and churches. This is what is necessary for complete coverage.

Studies Show Adverse Health Effects From Cell Phone Towers

If you aren’t sure that cell phone towers and masts are harmful the following study summaries should convince you. Below are listed six studies that have shown significant adverse health effects on people living near cell phone towers. According to Dr. Grahame Blackwell “these are the only studies known that specifically consider the effects of masts on people. All six studies show clear and significant ill-health effects. There are no known studies relating to health effects of masts that do not show such ill-health effects.”

Santini et al. found significant health problems in people living within 300 meters of a cell phone base station or tower. The recommendation was made from the study that cell phone base stations should not be placed closer than 300 meters to populated areas. Pathol Biol (Paris) 2002; 50: 369-373.
A Netherlands Organization for Applied Scientific Research study entitled, “Effects of Global Communications System 2 Way Radio-Frequency Fields On Well Being and Cognitive Function of Human Subjects With and Without Subjective Complaints” found significant effects on well being including headaches, muscle fatigue, pain, and dizziness from tower emissions well below the “safety” level.
Gerd, Enrique, Manuel, Ceferino and Claludio conducted a Spanish study called “The Microwave Syndrome” and found adverse health effects from those living near two cell phone base stations. The health effects included fatigue, a tendency toward depression, sleeping disorders, difficulty in concentration and cardiovascular problems.
From an Israeli study published in the International Journal of Cancer Prevention, Vol. 1, No. 2, April 2004, Wolf and Wolf reported a fourfold increase in the incidence of cancer in people living within 350 meters of a cell phone tower as compared to the Israeli general population. They also reported a tenfold increase specifically among women.
In the Naila Study from Germany, November 2004, five medical doctors collaborated to assess the risk to people living near a cell phone tower. The retrospective study was taken from patient case histories between 1994 and 2004 from those who had lived during the past ten years at a distance up to 400 meters from the tower site. The results showed that the proportion of newly developed cancer cases was significantly higher in those patients living within the 400-meter distance and that the patients became ill on average eight years earlier. In the years 1999 to 2004, after five years of operation of the transmitting tower, the relative risk of getting cancer had trebled for residents of the area in the proximity of the installation compared to the inhabitants of Naila outside the area.
An Austrian Study released in May 2005, showed that radiation from a cell phone tower at a distance of 80 meters causes significant changes of the electrical currents in the brains of test subjects. All test subjects indicated they felt unwell during the radiation and some reported being seriously ill. According to the scientists doing the study, this is the first worldwide proof of significant changes of the electrical currents in the brain, as measured by EEG, by a cell phone base station at a distance of 80 meters. Subjects reported symptoms such as buzzing in the head, tinnitus, palpitations of the heart, lightheadedness, anxiety, shortness of breath, nervousness, agitation, headache, heat sensation and depression. According to scientists this is the first proof that electrical circuits in the brain are significantly affected by a cell phone tower. The distance in this study was a mere 80 meters.
Two-time Nobel Prize nominee Dr. Gerald Hyland, a physicist, had this to say about mobile phone towers. “Existing safety guidelines for cell phone towers are completely inadequate. Quite justifiably, the public remains skeptical of attempts by governments and industry to reassure them that all is well, particularly given the unethical way in which they often operate symbiotically so as to promote their own vested interests.”

Dr. Bruce Hocking did a study in Syndey, Australia, of children living near TV and FM broadcast towers, which by the way, are very similar to cell phone towers. He found that these children had more than twice the rate of leukemia as children living more than seven miles away from these towers.

Results in yet another recent study conducted on inhabitants living near or under a mobile phone base station antenna yielded the following prevalence of neuropsychiatric complaints: headache (23.5%), memory changes (28.2%), dizziness (18.8%), tremors (9.4%), depressive symptoms (21.7%), and sleep disturbances(23.5%). In this study the participants were given a neurobehavioral test battery measuring such things as problem solving, visuomotor speed, attention andmemory. Symptoms of exposed inhabitants were significantly higher than control groups.

Furthermore, Europe’s top environmental watchdog group, European Environment Agency (EEA), is calling for immediate action to reduce exposure to mobile phone masts. EEA suggests action to reduce exposure immediately to vulnerable groups such as children.

The development of brain tumors in staff members working in a building in Melbourne, Australia, prompted the closing of the top floors of the building. The Royal Melbourne Institute of Technology is housed in the building. Seven staff members were diagnosed with brain tumors and five of the seven worked on the top floor. A cell phone antenna is located on the roof of the building.

The Orange phone company in England is being forced to remove its mast tower on a building in Bristol, England. The removal is a result of a five-year effort by residents and local authorities to have the mast removed. Cancer rates in the building, which has become known internationally as the “Tower of Doom,” have soared to ten times the national average for the 110 residents living there. The two masts sitting on the roof, one owned by Orange and the other by Vodafone, were installed in 1994. Vodafone has refused the remove its mast.

Cell Phone Towers Affect Animals

Animals aren’t exempt from exposure the cell phone tower radiation either. One veterinary school in Hanover, Germany, reports that dairy cows kept in close proximity to a cell phone tower for two years had a reduction in milk production in addition to other health problems including abnormal behavior patterns.

Firefighters Vote To Suspend Cell Tower Construction On Fire Stations

Concerned about the effect that masts have on the nation’s firefighters, The International Association of Fire Fighters voted in 2004 to voice its opposition to cell phone towers and antennas being place on and around fire stations. They want proof first that there isn’t a safety issue and have asked for a moratorium on further construction and placement of any more towers or antennas on or around firehouses until such a study can be conducted.

What Are These Antennas Doing To Our Kids While They’re In School?’t worth the risk. They should not be subjected to microwave radiation when science has proven there could clearly be devastating effects as outlined in the previously mentioned studies. School boards and parent organizations need to be aware of the inherent dangers from such an exposure. It’s been clearly shown that microwave radiation penetrates the head of a child much easier than that of an adult. This is due to the thinner and softer bones in the head of child. Skull bones don’t fully harden until about age 22.

How Many Cell Phone Towers Are Near You?

The average person lives within one-half mile of a cell phone tower. Have you ever wondered how close you live or work to one of these towers? Would it bother you if one were right in your backyard? How many of these towers and antennas do you think there are in your immediate area? Find out by visiting the website http://www.antennasearch.com/. Simply type in your address and you’ll get a listing and a map of all the towers and antennas within a short radius of your address. Like most people you’ll probably gasp when you see the numbers. These towers are literally everywhere. Hundreds and hundreds of them are probably located within a few miles of your home or office.

Watch The Signal Bars On Your Cell Phone

The signal bars on your cell phone tell you how strong the signal is that are connecting to your cell phone. In other words, the closer you are to a cell phone tower the stronger the signal. The stronger the signal the less power your phone has to use to maintain the connection. A strong signal is indicated by a full set of “bars” showing on your cell phone display. Fewer bars mean a weaker signal. A weaker signal means the cell phone has to work harder to maintain the signal. Consequently, more power is needed to maintain the connection. The more power needed the greater the amount of radiation produced by your phone and the greater exposure to you. So always try to talk in outdoors or in an open space. This allows an easier connection from your cell phone to the nearest cell phone tower. Your phone won’t have to work as hard and less power is used to maintain the signal, which translates, to less radiation exposure for you.

What Can We Do?

Obviously, can’t escape the exposure. We’ve established that fact. So what can we do to minimize the damage?

Here are few ideas: We need to limit our exposure any way possible. Don’t live near a cell phone tower if you have a choice. Don’t buy a home near one even if the price is right. Limit your use of wireless devices. Go back to ‘wired’ connections whenever possible. Maximize your health through proper nutrition and good hydration. Eat foods high in antioxidants and take supplements. Eat organically as much as possible. There is no safe distance to locate away from a mast tower. Obviously, the closer to the tower the greater the exposure risk so do locate as far away as possible. Whenever possible encourage your local government officials to consider transitioning to the use of fiber optic cable. Most of it has already been laid underground. It’s just not being used. There are no masts with fiber optics and the small amount of radiation at the exits can be neutralized with technology now available. Discourage the use of Wi-Fi in schools by meeting with your school officials and school boards. Wi-Fi hotspots are popping up everywhere now. Even whole cities are going wireless with the installation of Wi-Fi. Again, it’s all done through a wireless signal, which is damaging to your health. Don’t let cell phone companies install cell phone antennas on the roofs of schools where your children attend. The radio waves are disruptive to their ability to focus, not to mention the health hazards we’ve already outlined. If you can’t change your current situation there is some hope. There are some intervention devices now available that you can use in your home, school and office to help lessen the risk of exposure. Some very good cutting-edge technology has been developed that will intervene and help mitigate the damage being done by wireless connections.

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How Mototrbo Two way radios are helping the JW Marriott San Antonio Hill Country Resort improve.

Some of the expert writers on the web are at such a top level that i ponder if any of them have ever printed a book? so occasionally i like to highlight these brilliant articles and here is one i thought was interesting the other day.

device communication error hp“With the old way, housekeeping would call the front desk, or the front desk would get a call from a guest. They would use a cell phone to call the right person and it might take ten minutes to reach them. With MOTOTRBO, the process is rolling within 30 seconds. A couple of minutes can make all the difference in the world to the guest waiting for someone to show up and fix the problem.”

– Steve McGuire, Director of Engineering, JW Marriott San Antonio Hill Country Resort and Spa

Integrated data capability can significantly increase staff efficiency and guest satisfaction

Integrated voice and data capability, as well as the operating software of the Walkie Talkies which enables easy integration of customized workforce applications, further increases staff productivity.

• Customer Relationship Management: If housekeeping needs a repair in one of the guest rooms, they can now radio engineering to report the problem. MOTOTRBO’s data capability allows the engineering supervisor to use the Guestware application to open a ticket and assign it to a staff member who verifies receipt. The application directs the flow of activity by monitoring the open ticket, enabling the supervisor to ensure the job is finished within the required time. When the repair is completed, the employee uses the radio to close out the ticket which documents the activity from start to finish. Supervisors can assign accountability and ensure that the problem is taken care of in a timely manner. “With the
old way, housekeeping would call the front desk or the front desk would get a call from a guest,” says McGuire. “They would use a cell phone to call the right person and it might take ten minutes to reach them. With MOTOTRBO, the process
is rolling within 30 seconds. A couple of minutes can make all the difference in the world to the guest waiting for someone to show up and fix the problem.”

• Telephone-to-radio interface: Hotel management and key employees working on-site or remotely can use mobile or landline phones to place a call that goes direct to the MOTOTRBO radio users on the resort property. Leveraging the Teldio RBX application enables third party convention services to contact radio users directly through cell or landline to meet guest needs, speeding response through immediate contact.

• Email messaging: MOTOTRBO radios can accommodate custom data applications that adapt the radios to specific business needs. With a third party application, the resort’s MOTOTRBO radios can convert email messages to text. For example, touch screens installed at the door of each conference or meeting room allow guests to request refreshments, initiate a room temperature request or other need. A text message is then sent via MOTOTRBO to the Convention Services staff, along with the location from which it originated.

• Text messaging: Text messaging enables discreet communications, allowing employees to receive and respond to requests from
the front desk without disturbing guests. In addition, security staff can send a discreet pre-programmed security text message indicating “incident in progress” to every security radio on the property.

Emergency alarm and staff collaboration enhances guest safety and security

The radios are also equipped with an emergency button that sends an audible alarm to all security radios and activates the microphone to transmit ambient noise, conversation and activity at the scene to the security radios. In addition, the MOTOTRBO Capacity Plus software enables an emergency or broadcast channel which allows collaboration between the hotel staff and security. During opening week two guests suffered medical emergencies. Hotel personnel sent out an alert and within minutes, medical and security

staff were at the scene.

Dramatic cost savings and rapid return on investment

Currently the hotel chain uses push-to-talk cellular technology in their hotels around the world. Depending on the number of phones, service fees can reach thousands of dollars per month or more. Because the new resort has replaced their cell phones with MOTOTRBO, which is a private digital two-way radio system, they save $14,000 a month. Even when factoring in maintenance and other operational expenses, the hotel estimates that over a five-year period, they will net around $500K in savings when compared to cellular
and push-to-talk subscriber services. “We ran the numbers for them and calculated that they will achieve a complete return on investment within about 18 months,” says Sherman. Because of the dramatic cost savings and rapid ROI, the hotel chain is considering MOTOTRBO radios for their other properties.

With its new flagship property, the JW Marriott San Antonio Hill Country Resort and Spa is proving that the right technology can significantly increase efficiency, reduce cost and keep its guests satisfied and coming back. With uninterrupted coverage throughout the hotel and grounds, enhanced features, increased capacity, crystal clear audio, and integrated data applications, the MOTOTRBO digital two-way radios help hotel staff throughout the resort maintain the gold standard of flawless guest service.

two Way Radios for Education Comms

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Every education establishment, whether a school, college or university, owes its students, staff and visitors a duty of care while they are on campus and offsite on organised trips.

Within the perimeter of a school or higher education campus, threats to safety and security can include injuries from accidents, from natural disasters such as flooding, storms and earth movement or from malicious acts including vandalism, theft, arson, bullying and personal assault.

The ability to report threats and incidents quickly and efficiently is essential in managing risks, containing situations and implementing emergency plans.

More educational establishments than ever, like

Macquarie University, Sydney, Australia, are relying on Kenwood Kenwood radio as their preferred method of instant communications on and off-site, whether in critical emergency situations or as tool to maintain safety, security and operational efficiency.

Typical applications include:

Protection of staff in classrooms
Safety of students
Incident reporting
Management of support staff
Implementation of emergency plans
Coordination of on-campus activities
Management of field trips and events
Security and maintenance of site

However as campuses have become larger and spread over multiple sites, buildings more complex in construction and with more activities taking place off-campus, existing analogue hand-portable walkie talkies and small communications networks can be stretched beyond their designed capability and result in less than ideal reception dead spots.

Now, with the extended coverage, reliability, ease of use and compact, rugged design offered by Kenwood NEXEDGE Digital Two Way radios and walkie talkies and their unique analogue/digital Mixed Mode (which allows them to communicate automatically with any existing analogue radios whatever the make), management in the education sector have a predictable and economical path to migrate to the benefits of digital two way radio at an affordable cost.

The Range of 2 way radios

I don’t know how you came here as you read it on social media, twitter, facebook, google +, stumble upon or somewhere else. thankyou for visiting and I hope you like reading this as much as I did.

A 2 way radio facilitates communication in two directions at the same time. This is possible only when the users who are communicating are within the specified limits in which the radio can operate effectively. The range of this type of radios is limited. This means that they can be used for reliable and effective communication only within the specified distance. Some of these radios are short range while others are long range radios. The short range radios are the ones that can be effectively used for communication within a short distance. The long range radios are the ones that can cover a larger area and facilitate communication between people who are in far off locations.

The range of a Walkie Talkie depends upon several factors. These factors are the following and include the frequency at which the radio operates at, the path between the receiver and the sender of data and the power of the transmitter.

In addition to these factors, the terrain of the area, whether there is any interference present, the type of antenna being used and the type of signal being transmitted all have to be taken into account.

The frequency affects the range in the sense that some radios can work on a single frequency while others can work on different frequencies. When the same frequency is used for sending and receiving data, the range of the radio is short. When the 2 way radios operate on different frequencies, the distance that can be covered by the radio is more. This is mainly because of the fact that different channels are used for sending and receiving data. The path between the sending and receiving radios also affects the range within which the radio can operate. If the path is shorter and has fewer obstacles, the range will be more. On the other hand if there are more obstacles in the path, the range will be low.

The 2 way radios can either be used as low power or high power radios. When the transmitter power is low, the radios can cover a shorter distance. When the transmitter power is high, the radios can cover a wider range. Most radios operate very effectively in line of sight frequencies. This means that they operate the best in plain areas as opposed to hilly areas where these radios cannot transmit efficiently. Also in plain areas, these radios can cover a wider range. In hilly areas, these radios can operate only in short ranges.

If there is interference present or the radio picks up noise or other signals, then it can cover a very short range. When there is no interference from outside signals or noises, the 2 way radios cover a much larger distance and can communicate the message clearly. The type of antenna also affects the range of these radios. If the antenna used is of good quality and powerful, the radio is able to transmit data over a very long distance. If the antenna being used is of poor quality, then these radios are able to send messages over a short distance only.

Rogue jumbos radio collared for tracking

Without giving too much about this two way radio number codes article, but I thought it exciting and significant to what I’m currently doing.

COIMBATORE: Each blue dot on the screen recorded on the satellite-imposed image of the terrain on an hourly basis indicates the presence of the 25-year-old Makhna elephant presently roaming the Siruvani range in Mannarkkad forest division.

The GPS enabled radio collar fitted on the animal has been timed to send out signals every hour since the animal has a reputation of being a habitual crop raider and troublemaker. Additional details including longitude, latitude, altitude, temperature and the speed of movement of the animal will also be available to the officials. Experts from World Wildlife Fund (WWF) India in coordination with forest department officials have been engaged in tagging elephants to closely observe their behavioural patterns.

“So far, we have radio collared three elephants, two tuskers and the Makhna elephant to observe their movement patterns. These elephants were found regularly entering human habitation and so were tagged both for research and also for minimising human-animal conflict situations,” said N Mohanraj, policy advisor and wild life expert from WWF India.

The collar fitted with the signal transmitter beams the signals to the satellite which is received and then beamed back to the ground stations. These signals will be decoded and simplified to be broadcast to dedicated web servers. These web servers upload the information onto the web portal from where it could be accessed using specific username and password.

“The collar has GPS transmitter that will emit these signals. Generally we decide on the length of the strap depending on the age of the animal since we have to ensure that the animal does not feel any discomfort if its neck size increases with age. However, if the collar is too loose then it might even fall off the animal,” Mohanraj added

According to sources, discussions are on to Walkie Talkie collar six more elephants in the southern states, from the Nilgiri Biospehere in the coming months. It is also learnt that one or more of these animals could be matriarch female elephants and not just crop raiders so that the researchers would be able to understand the behaviour and movement pattern of an entire elephant herd.

The radio collar battery is expected to last for about two years and experts claimed that battery life could be extended by increasing the time interval of signal transmission. Generally, only elephants that are known to create damage to human life and property are tagged at close intervals as the main objective of tagging them is to send warning alerts.

But the GPS radio collaring exercise had gone sour in Coimbatore region after a male tusker that was tranquilised and tagged with the collar along with the female elephant died due to alleged human error during the operation resulting in a huge uproar from environmental activists.

The radio collaring project was temporarily shelved in the region after the incident in Tamil Nadu region. A female elephant was also radio collared here in Boluvampatty forest range in 2011, but the collar went missing from the animal within 10 months putting the forest department officials in a tight spot. Each GPS enabled radio collar is expected to cost more than RS 2.5 lakh.

“It is a trial and error method but all precautions are being taken while carrying out the process especially in selecting the terrain and also the dose of sedatives to be administered,” said Dr Jacob V Cheeran, a wild life expert.

According to experts, big animals like elephants should never be darted with tranquilizer in terrain which is uneven with steep slopes and gorges or with water bodies in the vicinity.

The animal may panic when hit with the dart and could suffer a fatal fall as the sedatives begin to work. The radio collared tusker here in Coimbatore was found dead in such a gorge a couple of hours after the tagging exercise.
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Each blue dot on the screen recorded on the satellite-imposed image of the terrain on an hourly basis indicates the presence of the 25-year-old Makhna elephant presently roaming the Siruvani range in Mannarkkad forest division.