All Questions
Tagged with legal united-states
35
questions
12
votes
2
answers
1k
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 ...
- 24.7k
19
votes
6
answers
5k
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 ...
- 7,620
9
votes
5
answers
63k
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, ...
- 105
3
votes
4
answers
2k
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 ...
- 183
17
votes
4
answers
146k
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 ...
- 7,620
13
votes
4
answers
14k
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 ...
12
votes
7
answers
2k
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 ...
- 12.2k
10
votes
2
answers
4k
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?
3
votes
2
answers
48k
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+?
- 41
18
votes
3
answers
3k
views
Why are proprietary codecs used in amateur radio?
This may be slightly off topic (maybe there's a Legal Stack Exchange :-D), but how is it that codecs like Yaesu's C4FM are allowed to be proprietary while still being used on Amateur bands? At the ...
15
votes
4
answers
57k
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....
- 261
12
votes
3
answers
2k
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 ...
- 7,421
12
votes
3
answers
642
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 ...
- 223
12
votes
1
answer
510
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?
- 471
11
votes
1
answer
2k
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.
- 7,620