Questions tagged [legal]

Questions regarding laws or other legal regulations pertaining directly to amateur radio. Also tag your question with the relevant location. If in doubt, always seek professional legal advice.

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12
votes
2answers
719 views

What are the (US) rules about unlicensed low-power transmissions?

It is common wisdom that transmissions of any sort (perhaps unidentified, encrypted, in the FM broadcast band, etc.) are permitted if they are sufficiently low power. Where are the FCC regulations ...
8
votes
5answers
32k views

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

I have a Baofeng UV-5RA, and I need to know what frequencies on the "channel mode" (what the lady says when you press the "V/M" button on the radio) don't require a ham license. I am in Philadelphia, ...
18
votes
6answers
3k views

What defines music, per amateur radio regulations?

Sometimes when I access IRLP nodes, they have a very short melody telling you that you are connected; or when my local repeater's net begins, it does the famous doorbell 8-note sequence. What is the ...
3
votes
4answers
1k views

Is it legal to broadcast an FM radio signal with a Raspberry Pi Zero?

I saw a video lately where someone soldered an antenna to a Raspberry Pi Zero and broadcasted radio signals. https://www.youtube.com/watch?v=GXedC5dQyNk&t=9s They said they were not worried to do ...
17
votes
4answers
116k views

Using my Baofeng UV-5R to talk to walkie talkies

I have a few walkie talkies at home and sometimes I connect my UV-5R to them to talk to them and act as another walkie talkie. At one time, I built a little simplex repeater out of it. Should I not be ...
24
votes
7answers
4k views

Encrypted traffic and amateur radio

Am I allowed to send encrypted traffic via any medium or any frequency, or is this completely barred (and thus everything has to be open with no exceptions?)
3
votes
2answers
23k views

Can a Baofeng UV-5R+ be used on FRS, GMRS, and MURS?

Is this secure if I was talking to another Baofeng UV-5R+?
12
votes
7answers
1k views

Can I transmit anything inside a Faraday cage?

Can I perform any transmission regardless of my license as long as I'm inside an RF sealed enclosure, such that no RF will be detectable from my transmissions off my property? I imagine the answer is ...
12
votes
4answers
39k views

FCC tracking of unlicensed FRS/GMRS transmissions

If a transceiver such as the BaoFeng UV-5R is used to transmit over FRS/GMRS frequencies (unlicensed), it is illegal in the United States due to FCC regulations that state that the power must be <0....
12
votes
3answers
547 views

Resort FM radio station

I stayed at a resort in the U.S. recently that is located in an unpopulated area with virtually no radio reception. To fill the gap, the resort has its own FM station that can be heard only within ...
10
votes
3answers
9k views

Are Baofeng radios illegal in the U.S?

Having a low price budget, my search for my first ham radio to buy has led me towards Baofeng. A quick Google search on baofeng showed a lot of results that said that certain model baofeng handhelds ...
4
votes
3answers
679 views

Is it legal to use animal noise courtesy beep?

For Thanksgiving, I changed the courtesy beep to a turkey noise on my repeater/node. Some other people did it so I thought it was fine. Someone however told me that it did not follow part 97 FCC. Is ...
9
votes
3answers
1k views

Using ham radio bands for telemetry

If I built a machine that went far away, say a buoy, would I be allowed to use ham radio frequencies to transmit telemetry data back to its base station, if I used my call sign? This is for personal ...
6
votes
2answers
887 views

What “test transmissions” are allowed above 51MHz?

The ARRL's band plan chart includes the following text in its legend: Test transmissions are authorized above 51 MHz, except for 219-220 MHz What FCC regulation is this referring to? Aren't all ...
6
votes
2answers
735 views

Can I transmit on 2 frequencies simultaneously?

Lets say I want to call out CQ on 145.340, 145.940, and 146.140 at the same time, am I allowed to call simultaneously on all three then monitor all three for replies?
5
votes
3answers
5k views

What frequencies am I not allowed to use north of line A in the USA?

What frequencies can I not use if I live north of line A in the USA?
5
votes
3answers
423 views

Is compression “encryption” under FCC regs?

I read this question about digital signatures and FCC prohibitions on "obscuring" messages in amateur transmissions, and it cause me to think of something: the difference between encryption and ...
4
votes
1answer
921 views

Why is 900MHz restricted in some areas in the US?

So I found these rules: (2) No amateur station shall transmit from those portions of Texas and New Mexico that are bounded by latitudes 31°41 ′ and 34°30 ...
4
votes
2answers
237 views

Wireless temperature data logger in the USA on 433MHz

I'm a newly licensed ham tech. I am trying to figure out if I am doing everything correctly to setup a wireless temperature monitoring station that uses the 70cm band (specifically 433.4MHz) in the ...
3
votes
2answers
6k views

Licensing a group of BaoFeng BF-888s in the UK

I've purchased a couple of BaoFeng BF-888S's for personal use with friends. I've been told these radios can't be used legally without a licence and given the usage, I doubt I could faithfully even ...
1
vote
3answers
377 views

What kind of ham radio license should I get?

I have an interest in studying and researching how radio technology can be used in other fields of electronics. What kind of license should I look into so I can carry out some experiments or research? ...
11
votes
1answer
377 views

Why does the FCC put restrictions on symbol rates?

This answer claims that Mostly, on HF, the FCC has chosen to limit modes of transmission and symbol rates rather than bandwidth Why does the FCC limit symbol rates?
10
votes
1answer
1k views

Fastest Speed allowed for CW FM repeater ID in USA

What is the fastest legal WPM I can use for my repeater's Morse code identification? I am in the USA.
10
votes
1answer
269 views

What is emissions designator “E” when used as a type of modulation?

The FCC's rules regulating amateur radio, in 47 CFR 97.307(f), paragraph 8 defines one emissions standard/limitation as follows: A RTTY or data emission having designators with A, B, C, D, E, F, G, ...
9
votes
2answers
1k views

Who enacts the FCC's rules and regulations?

I came across an old answer on this site which makes the claim: It would take an act of Congress to change this [FCC Part 97] rule. Is that correct? I was under the impression that United States ...
9
votes
2answers
2k views

Is Morse code allowed on FM in the USA

Let's say I get my little 2 meter FM handheld out and make a little sine-wave generator with which I pulse a morse code and if I connect it to headphones a speaker, I hear the dits and dahs of a nice ...
8
votes
2answers
2k views

Do FCC regulations limit digital data rate?

Are there FCC regulations that specifically limit digital data rate on the amateur bands? Are there any recent or proposed changes? If so, what are they specifically?
7
votes
2answers
280 views

Can I use a amateur license to experiment with radar?

If I get a German Amateurfunklizenz, will I be allowed to experiment with non-communication radio technologies like radar? Obviously, I'd still adhere to using allocated ham bands, stay within power ...
7
votes
2answers
149 views

Which band will I be authorized the most bandwidth?

Lets say I want to do a bit of experimenting with some high bandwidth uses for transmitting data, high quality voice, etc. Which Amateur band will give me the maximum bandwidth, and what is the ...
5
votes
1answer
505 views

Secure communication over Amateur-band HSMM / 802.11 in the United States

I'm quite interested in 802.11 over amateur radio frequencies; however, all I have done at this point is reading (I don't have a ham license yet). The conventional wisdom (espoused in this ham.SE ...
5
votes
1answer
246 views

Signing of messages transmitted over ham radio

FCC Regulation 97.113 (a) 4 states that: "messages encoded for the purpose of obscuring their meaning" Are "Prohibited transmissions", I believe this is the clause that is used to prohibit ...
3
votes
2answers
280 views

Maximum legal QRQ CW speed?

Computer generated and decoded Morse Code seems to be a not-uncommon operating practice in the HF bands. Given this, and that there's no reason why Morse/CW signals can't be synthesized and decoded ...
3
votes
2answers
294 views

What is the legality of data modes over UHF/VHF in the US?

Cheap & simple transceivers are readily available online that allow you to transmit serial data over UHF/VHF frequencies such as 433MHz (approximate range of 1000m). It seems that these are ...
3
votes
2answers
5k views

Are these walkie talkies legal in Japan?

Okay so I saw these walkie talkies on eBay that I want to buy but I live in Japan and I am not sure if they are legal. I did some research but couldn't figure out if they are or not. I am very much a ...
2
votes
2answers
233 views

Why do you have to be 18 to be a Volunteer Examiner in the US?

I am a 15 year old ham, and just got my Extra class. I was really bummed when I figured out I needed to be 18 to be a Volunteer Examiner administer. Why do they make that rule?
2
votes
1answer
548 views

What are the FCC's bandwidth restrictions for the various amateur bands?

Does the FCC restrict how much bandwidth an amateur radio operator can transmit? I've seen restrictions for transmitting data, like packet and ATV, but, for example, could I legally use a huge ...