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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7
votes
1answer
483 views

Is using /AE compulsory?

I'm taking the exam to upgrade my licence to Extra soon, but I'm concerned the ULS might not update in time for Field Day, when I'm supposed to be supervising (and using my call-sign for) my club's ...
6
votes
1answer
1k views

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

While a normal voice channel is ~10kHz-15kHz in bandwidth, some digital modes can be significantly wider. Are there any legal restrictions on how much bandwidth I could use for amateur radio ...
2
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1answer
203 views

Legality of short "jingles" [duplicate]

Every time I check into a net, there is a short "tune" before the net to announce the net is starting on a repeater. Here is a recording: http://kd0whb.duckdns.org/id/preamble.m4a After hearing the ...
12
votes
3answers
561 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 ...
2
votes
1answer
91 views

Are any handsets compliant with Canadian regs usable on both 2M amateur and 2M commercial bands? Is this even possible?

It is rumoured that radio handsets are sometimes used in Canada on 2-metre amateur bands without being certified with Industry Canada. Some of those sets may be modified or reprogrammed to operate on ...
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0answers
102 views

what frequencies can i transmit on without a license in NM? [duplicate]

thanks for the answer i love ham radios.
3
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2answers
309 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 ...
4
votes
2answers
265 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 ...
8
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4answers
2k views

How to tune an FM transmitter to a specific frequency?

I am planning to organise a simple fox hunt, a family event. This includes building a transmitter. I am currently considering the following schematics: https://maker.pro/education/diy-fm-transmitter ...
2
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3answers
2k views

Can I use APRS over TCPIP without ham license?

Simple question, but for me is really important. "Can I use the APRS over TCPIP without a ham license in Europe Union (especially in Austria)?" I consider yes, because I am not transmitting with radio,...
15
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4answers
43k 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....
0
votes
1answer
113 views

Legality of relay through a scanner in the US

I would like to know if it's ok to transmit amateur radio frequencies via my HT through a Bearcat police scanner to someone that has an FRS radio, and in turn they respond on their FRS radio which my ...
0
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3answers
3k views

Bf-f8hp radios and no idea what I'm doing

My brother just bought me and himself a set of bf-f8hp radios for setting up two way communication while we are on long motorcycle trips. Now, this radio seems like overkill and I don't want to meet ...
8
votes
2answers
348 views

Who should announce the call sign when an unlicensed operator is transmitting?

If an unlicensed operator is operating phone on an amateur frequency under the direct supervision of a licensed operator for, say, longer than ten minutes, should the unlicensed operator say the call ...
5
votes
1answer
164 views

How strictly is "the end of each communication" defined for the purpose of station identification?

I often hear people say brief statements or sentences after giving their callsign for the final time. Examples that I have heard on the air are: "[callsign] clear" "[callsign] listening" "[callsign] ...
3
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4answers
237 views

Who regulates ham radio satellites?

I have doubts regarding the control authority of the amateur radio satellites, because recently we have drastic changes to Internet control by FCC as the next major decentralized communication system ...
9
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1answer
115 views

Which international regulation allows reception, archiving or republishing of amateur transmissions?

I remember from my amateur radio course, and old versions of our local national regulation documents, that anyone is allowed to receive amateur radio transmissions. It's been claimed that ...
3
votes
1answer
2k views

Is Part 90 certification something an amateur radio operator should look for in a radio meant for amateur use?

I'm checking out cheap (~$100) mobile radios on Amazon, and often times there's a question asking about FFC Part 90 certification. As an amateur radio operator looking to use a radio for amateur/...
5
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2answers
157 views

How to get professional or official clarification of FCC Part 97 rules for specific complicated situations?

I'm specifically focusing this question on methods to get official clarification where one doesn't currently exist. I am not asking this audience for interpretations. As part of my volunteer work ...
3
votes
3answers
187 views

How close in frequency to another transmission can I legally transmit?

By FCC law. How many kHz away for a QSO are you allowed to start another QSO? I believe that 3 kHz is the FCC rule. Another Ham says that it's two.
3
votes
5answers
210 views

How can I use all bands when I'm a guest on an Extra's station?

I have a General class license. If I'm working with an Extra class license holder, what do we have to do to allow me to work bands outside General, but inside Extra?
3
votes
1answer
153 views

What are FCC/Industry Canada certification requirements for amateur radio related products?

I know for part 15 licensed devices, there's special FCC certification, and something similar on the Canadian side. What about for amateur radio transmitters? They follow part 97 laws, and it's the ...
10
votes
3answers
409 views

Do I need to actually lock up my station?

Per §97.103, one is responsible for the proper operation of one's station, which of course includes that no unlicensed person uses it to transmit. I have heard suggestions (no link handy, sorry) of ...
6
votes
2answers
824 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?
2
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2answers
278 views

Section 15.23 "Home-built devices" No license required... to build? Just to Transmit. But.....?

Title 47 › Chapter I › Subchapter A › Part 15 › Subpart A › Section 15.23 Home-built devices §15.23 Home-built devices. (a) Equipment authorization is not required for devices that are not marketed,...
5
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2answers
5k views

How often are we required to send our callsign?

Amateurs on the radio and online tell us we MUST ID at the start of our transmissions. A couple of hams on 75m sometimes take me to task for not saying my callsign right away. 'The FCC says so'. Is ...
10
votes
3answers
1k views

Is Using PMR446 On A Baofeng GT3-MK3 HAM Radio Legal (If on low power)?

I have a Baofeng GT3-MK3, a great little radio. Is it OK to use this on the low output setting for general use without a licence, for things like camping/hiking family use etc, if I used the legal ...
10
votes
1answer
283 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, ...
5
votes
1answer
536 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 ...
26
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7answers
5k 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?)
1
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3answers
320 views

Easy way for an uncertified hiker to broadcast a distress signal

I am wondering whether shortwave can be used as an effective distress call for a hiker who is a non-ham operator. More specifically, Are non-certified operators permitted to broadcast distress calls ...
10
votes
3answers
558 views

Aside from repeaters, what station types allow automated transmissions?

I know repeaters don't have to have a control operator at the radio in order to transmit given certain conditions are met. Are there any restrictions to setting up automated stations which transmit ...
10
votes
3answers
895 views

What is the best practice when tuning an antenna on air?

I have a magnetic loop antenna that takes a long time to tune and of course, while tuning it, I need to be transmitting. What is the best procedure for tuning on air? I understand I need to check ...
4
votes
3answers
4k views

What are the geographical restrictions in using the 70cm band in the United States of America?

Geographical restrictions exist for various frequencies in terms of usage in the United States of America as stipulated in 47 CFR 97.303. What are the restrictions, if any remain, in terms of ...
3
votes
3answers
1k views

SSTV on repeaters?

Just a simple question and the answer is probably no, but am I allowed to transmit a picture using SSTV on an FM 2 meter or 70 centimeter repeater? I am in the United States.
2
votes
1answer
433 views

Use amateur radio frequencies for commercial purpose

Can I use amateur radio frequency for commercial purpose (after acquiring ham license), expecting that it would be congestion free band and give me good broadcasting performance compared to other ...
2
votes
3answers
473 views

legal - Do FCC regulations only apply in U.S.A?

I currently do not live in the USA. I would like to find out if I still have to abide by FCC regulations.
4
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3answers
1k views

What is the point of high gain antenna with respect to the maximum EIRP

OFCOM states that the maximum EIRP within the UK for 2.4 GHz is 100mW. Simply put, what is the point in being able to buy 2.4 GHz high gain antennas which can say do 24dBi, which already puts the ...
6
votes
2answers
2k views

Is there any downside to getting a vanity callsign?

I just got my HAM license, and I have been thinking about getting a 1×3 vanity that I can remember more easily. This question is partially in reference to this passage on the FCC site: A club ...
1
vote
1answer
203 views

Remote base identification

I have a remote base where stations can log in with DTMF touch pad. Does this remote base transmitter need to send out a CW ID?
1
vote
3answers
236 views

TXing on another frequency to provide aid in anothers' emergency

By the FCC rules, if you are in an emergency situation and it's your best chance at survival, you're allowed to TX on any frequency. But what if you're hiking and are monitoring the Search & ...
1
vote
2answers
184 views

V/U Packet Rate Limits

I'm studying for the General exam and I've encountered some questions about maximum baud rates on various bands. They seem... extremely optimistic. Given the trouble I've had investigating 9600 baud ...
3
votes
1answer
188 views

Are US licensee allowed to operate under CEPT agreement if they permanently reside in Europe?

Under the CEPT agreement, US General and Amateur Extra class licensee can operate in Europe while traveling there. Does that privilege still apply if the person semi or permanently resides in that ...
1
vote
1answer
386 views

Would I be able to legally operate this FM transmitter without a license in Canada?

I've been looking into FM transmitters, and I've found one that I think I may use. The transmitter is based off of the KT0803L integrated circuit (http://radio-z.ucoz.lv/kt_0803/KT0803L_V1.3.pdf). The ...
5
votes
2answers
1k views

What is the purpose of limiting radio output power?

According to article 25, section I, § 4 (25.7) ITU's Radio Regulations: The maximum power of amateur stations shall be fixed by the administrations concerned. In my country this is 500W for CEPT ...
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 ...
2
votes
0answers
172 views

It is allowed to have more APRS trackers with one callsign in Europe Union

I am interested if I can set up all my automatic APRS GPS trackers with one call sign in Austria (like in the US)? Are there any restrictions on usage?
5
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3answers
5k views
5
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1answer
108 views

What rules govern robotic teleoperations, when the remote device also transmits back telemetric information?

I was looking through the FCC part 97 rules for robotic teleoperation, and it cites a one-watt figure for "model craft". However, it also allows higher power transmissions for remotely operated ...
3
votes
2answers
445 views

Can I use my call sign in APRS tracker abroad?

I am planning a car expedition from the EU to the China, through a lot of countries in the east. I am interested in if I can use an APRS tracker with my call sign issued in the Austria.? And the ...