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33 votes

On which of these frequencies can I transmit without a license?

None of them. You say you are in the United States. In general, all radio transmissions fall into one of three categories: The operator is allowed to transmit on that frequency (amateur, "business ...
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25 votes

Is it illegal to key up and not identify?

Bad etiquette and illegal. Bad etiquette because anyone else scanning the repeater will hear your useless silence, and illegal by §97.119: §97.119 Station identification. (a) Each amateur station, ...
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19 votes
Accepted

Is it legal for a non-profit to use ham radios for emergency purposes?

In the United States, Under the Code of Federal Regulations, Title 47, §97.113 "Prohibited transmissions": (a) No amateur station shall transmit (2) Communications for hire or for material ...
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18 votes

Are Baofeng radios illegal in the U.S?

The ARRL runs a booth at Dayton Hamvention since 2012 where people can submit their HTs to be tested for spectral purity. Over the years 2016-2019, 100% of the Alinco, Icom, Kenwood, and Yaesu HTs ...
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16 votes
Accepted

Are Baofeng radios illegal in the U.S?

They are legal to use, but only on the amateur bands. (Of course, you'll need to get a license first). There was a lot of debate on whether they were legal, but the FCC finally stated that they were. ...
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15 votes
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Fastest Speed allowed for CW FM repeater ID in USA

20 wpm. §97-119: (b) The call sign must be transmitted with an emission authorized for the transmitting channel in one of the following ways: (1) By a CW emission. When keyed by an ...
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13 votes

What should I do if my call is being used by someone else?

Were the contacts on the day of a major contest? Chances are that some other station with a callsign close to yours was operating and several operators misread his call as yours. I, too, get the ...
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13 votes
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FCC tracking of unlicensed FRS/GMRS transmissions

Are there any documented cases of the FCC actually tracking down and harassing/fining/jailing people for illegal FRS/GMRS transmissions of this sort? You can browse the Enforcement Bureau's Field ...
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13 votes
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Resort FM radio station

I believe you have encountered a Part 15 radio station. United States Code of Federal Regulations, Title 47, Part 15 (47 CFR 15) covers such things as garage door openers and the like. As such, ...
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13 votes

Is it legal for a non-profit to use ham radios for emergency purposes?

As I understand it, it's legal under FCC rules for anyone, licensed or not, to use any frequency or mode of radio communication as necessary in an emergency. This includes, but is not limited to, ...
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12 votes
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Who enacts the FCC's rules and regulations?

There are two different "Title 47"s in play here. Title 47 of the US Code, as referred to by rclocher3, contains laws passed by Congress on the subject of telecommunications. Most interesting for our ...
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12 votes

World wide Radio Module

Your problem is that there's really but one globally usable unlicensed band, and that's the 2.4 GHz band. But that doesn't sound so bad. People think "high frequency = short reach", stemming from the ...
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11 votes
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Why does the FCC put restrictions on symbol rates?

That's a good question---and one that is heavily under debate currently. The FCC originally limited symbol rates as a way of limiting bandwidth for data modes indirectly (it made sense at the time). ...
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  • 314
11 votes
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Is using /AE compulsory?

The key wording is in 97.9(b) as referenced in 97.119: ...is authorized to exercise the rights and privileges of the higher operator class... and 97.119 says: "When the control operator is a ...
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11 votes
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Do FCC regulations limit digital data rate?

The Current FCC Regulations (as of July 2018) Parts 97.305(c) and 97.307(f) regulate digital modes primarily by symbol rate. The table in 97.305(c) maps bands/frequencies to specific symbol rate ...
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11 votes
Accepted

What happens to your callsign if you migrate?

I have done exactly that. I had a US amateur extra class license when I moved to Germany. As a legal resident of Germany, I applied for and received a reciprocal (no test required) German license ...
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11 votes
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What are the regulation requirements for running a repeater?

The regulations for an amateur radio repeater are fairly minimal. To answer your specific questions: "Does one need a particular license?" Your license must permit transmissions on the repeater ...
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11 votes
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Can a ham license be used for a job?

The answer is YES! Nothing in the rules prevents you from using the existence of your license to help you get a job. If you plan on going into a radio/TV/Cable engineering job, a amateur radio ...
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10 votes
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Are amateur radio call signs unique among all radio call signs?

In most countries, they are unique. But in the United States, there is an overlap between Aircraft (which are assigned N-numbers based on the "International Radiotelegraph Convention" in Washington ...
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10 votes

What "test transmissions" are allowed above 51MHz?

This is indeed in the FCC regulations. In Part 97, section 305 regarding "Authorized Emission Types" there is the following chart which lists two relevant subbands, see in the VHF group the ...
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10 votes

How do I legally use a Baofeng UV-5R radio for communication?

In the United States, for the most part, all radio transmissions fall into one of three categories: The operator is allowed to transmit on that frequency (amateur, "business band", aviation, military,...
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10 votes

How to clean up profanity on airwaves

I've heard --from reliable sources-- that about the only thing that can stop that is to make recordings that you can send to the FCC. Include well-thought-out documentation with callsigns, times and ...
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  • 7,545
10 votes

Would a ham license allow me to use an uncertified radio on other (non-ham) bands I have permission to use?

I just purchased a UV-5R to hopefully integrate into business class radios my company uses. Unfortunately, this is not likely legal. Business radio is licensed under the FCC's Part 90 rules; those ...
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10 votes
Accepted

Does the FCC care about electrical arcs?

Absolutely! FCC Part 15 defines three broad classes of devices: Intentional radadiator. A device that intentionally generates and emits radio frequency energy by radiation or induction. Unintentional ...
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  • 9,275
10 votes
Accepted

Is the 1.5kW power limit per antenna? What about antenna arrays?

Here's 47 CFR § 97.313: § 97.313 Transmitter power standards. (a) An amateur station must use the minimum transmitter power necessary to carry out the desired communications. (b) No station may ...
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9 votes
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Use amateur radio frequencies for commercial purpose

This is answered somewhat in this question already, and the answer is no. And I will add some passages about the broadcasting part. To quote the relevant rule §97.113: §97.113 Prohibited ...
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9 votes

Is there a legal limit to the bandwidth of a signal used in the amateur bands?

Summary: In all cases, no more bandwidth than necessary. §97.307(a), (b) In data portions of LF, MF, and HF bands, 500 Hz. §97.3(c)(2) In the phone portions of LF, MF, and HF bands, no more than &...
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9 votes

Do FCC obscenity regulations apply to ham radio transmissions?

§97.113(a)(4) states: No amateur station shall transmit [...] obscene or indecent words or language These are not the same regulations that prohibit TV stations from broadcasting obscene or ...
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9 votes

What are the regulation requirements for running a repeater?

WA9ZZZ's answer missed the issue of control of the repeater. The repeater must be under control of one or more control operators, or under automatic control, at all times when the repeater is on. ...
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  • 8,922
9 votes

Are there restrictions placed on transmissions in licensed spectrum in the United States?

The FCC issues licenses for a particular service (e.g. broadcast, amateur, land mobile, common carrier, etc.). Each service is regulated by a specific part of the FCC regulations (e.g., Part 97 for ...
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