Hi You can make online tutorial courses online, but can not take the exam online. The tests must be administered by a government representative (usually the local club league amateur radio) to make sure everything is above board and meet the standards set for this test. GW OH2FFY
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The General Mobile Radio Service and Family Radio Service handies relatively new 900MHz arrived on the scene, all are capable radios that can have the same goal: personal or business communication at close range. Marine VHF are different. More on marine VHF radio later.
The cheapest of the three short-range radios are personal Family Radio Service (FRS) handies. FRS radios are limited 500 megawatts, or half of one watt. Realistically, they are good for anything up to 1 mile depending on terrain. The FRS is handies free license, which is a great advantage. These handies with 14 channels available. CTCSS coding could reduce interference in large urban areas, but still have 14 channels. CTCSS does not add channels.
FRS was introduced by the FCC in 1996 as a cheap and license free communication of personal and professional use. Curiously, the only way you can now get a radio FRS again to buy new old stuff (NSA), no manufacturer builds a more FRS radio. Any new radio service sold by a combination of FRS and GMRS.
The General Mobile Radio Service (GMRS) handies are more expensive. They have higher performance, typically 1-4 watts, although some luxury handies allegedly GMRS increase the options for the power that gives them a maximum of 5 watts output. That is the limit you can leave the battery Walkie. If you think 5 watts of output is not right, think again! The vast majority handies amateur radio (HAM) also have a maximum power of 5 watts. More than that, and the batteries are exhausted very quickly during the show! The GMRS handies have a new set, but does not believe the truth about the 20, 28, 34 miles, etc.. In fact, you get about 10% of that. So if your hand GMRS reached 3.4 miles. Of course, if you're on a mountain or a lake in a boat, will be bigger, because there are no obstacles.
GMRS was introduced in the 1960s by the FCC. At that time, called the class of radio service to a citizen.
GMRS has a total of 22 channels. However, FRS and GMRS proportion of seven UHF channels, so your handie automatically switches to low power (500 mW) to transmit on some channels. As FRS, GMRS handies are also available with CTCSS encoding.
The handies GMRS requires an FCC license, which is not cheap at $ 85. However, you will be in violation federal law, if you operate a GMRS radio without a license.
The handies 900 MHz, which are relatively new to the market, use one watt output and a free license. They work with a technology called frequency hopping spread spectrum. This technology is similar to cell phones, but does not recall these handies using repeaters cell phone. The range of these handies is comparable to a GMRS 1-2 watts of power.
Marine VHF is strictly for marine use! If you do not have a boat, do not use these radios. The FCC has (and still) people fined for unauthorized use. What Just do a little research on the net and see! There is much information on page FCC website on the rules and regulations on marine VHF … they (Coast Guard) take any unauthorized use of these frequencies very seriously. Very recently, introduced a walkie-talkie a Cobra GMRS and so VHF marine frequencies. You can make a great addition to your water activities.
You can get one of these radios the superstore, Amazon, Ebay and many other sources. Expect to pay about $ 20 for handies down to plus $ 100 for premium models.
About the Author
I’ve been a licensed Amateur Radio Operator since 1978 and enjoy all facets of radio communication. Learn more about FRS, GMRS, and 900Mhz handie-talkies at http://frsgmrsradio.com/
Gordon West speaking at HOSARC general meeting1/15/08Part1
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Does any one know of a free, easy to understand tutorial web site on how to use a scientific calculator?
i have the manual with my new scientific calculator, but still don,t comprehend what it is telling me. i have always had well i guess u call it a math phobia. but now i need to know a bit about how to operate this scientific calculator. for a ham radio extra class upgrade. i dont even know how to square 10 to the -6 on this thing or much of ne thing except basic funtions like adding multiplying etc.. help please
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Hello. I can keep my transceiver amateur radio 24 / 7 and never turns off. Is this really bad?
Actually not bad, but it is unnecessary energy consumption. If this is a problem of frequency stability, should achieve an operating temperature stable within fifteen minutes.
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I just bought a Cobra CB Radio 29 WXNWST and installed it on my jeep with exactly 21 feet coaxial cable. How long a firestic should I buy? I thought a 4-foot rotating FireStik Council II. But I prefer a three foot (whether it is that I can adapt my jeep in the garage). My concern is that when I bought the coaxial cable told me I had to buy in installments 3 feet … So if my antenna 3 feet? Please help Thanks ——————————————- —- — Well, I understand that this is a 3 or 4 feet will work, but I want to know what is best … Thanks!
The higher the antenna the better the signal should be.
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