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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6
votes
1answer
234 views

What happens to your callsign if you migrate?

If, as an amateur radio operator, you're licensed in one country with a callsign, let's suppose, the US and you migrate to, say, Germany, will you have to reapply and obtain a new callsign? What if ...
6
votes
1answer
413 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
12k views

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

I'm new to radios. Only ever used them for squad communication in airsoft. I have two Baofeng UV-5R handhelds and would like to use them this week to communicate on a family camping trip with no cell ...
6
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2answers
895 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
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2answers
394 views

Weather Imaging with NOAA satellites - legal?

I would like to build an antenna for receiving NOAA weather satellites. They're receivable at around 137.5 Mhz. I'm a total new to amateur radio stuff. I know that it's not legal to communicate as ...
6
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2answers
251 views

Using radio for musical collaboration — the line between conversation and broadcasting

I'd like to collaborate (e.g. play together) with other musicians in my local area and/or beyond. Coronavirus has made in-person collaboration difficult. Latency makes internet-based collaboration ...
6
votes
2answers
755 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?
6
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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 ...
6
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1answer
181 views

What is Part 97 a part of?

The regulations that govern Amateur Radio in the United States are often described as Part 97. What statute are they a part of? Where can I find other parts of the same law?
6
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1answer
211 views

Operating on foreign US soil

Some places, like embassies and military bases, are considered US soil, even if not traditional. Can one operate with a US call sign in such situations, and how should it be done?
6
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1answer
706 views

Is it legal to use an R identifier for my repeater in the USA?

I have been told by someone that my repeater is not allowed to have a slash r on the end of transmission because that is an identifier for the Russian Federation. Almost every repeater locally uses ...
6
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3answers
1k views

Do you need a radio licence to use ZigBee/Xbee?

I want to make a application with my Raspberry Pi along with a XBee module. I am going to use it in public places and in my own home. The question is, do I need a radio licence (UK) to use the XBee ...
6
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1answer
1k views

Can I use a Hawaiian call sign on the mainland?

A ham is initially licensed in Hawaii as KH6ABC (example only). If he subsequently moves to the mainland, can he keep his geographically restricted "KH" call sign or must it be changed?
5
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2answers
1k views

What are the regulation requirements for running a repeater?

When I try to find information on the requirements to run a repeater, I just see a lot of results related to building one. But I'm wondering about USA regulations. Does one need a particular license?...
5
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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
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2answers
880 views

World wide Radio Module

currently I am involved in a project were a data link is needed to communicate different devices. This is in one to many configuration and the devices are stand alone. For this project there is need ...
5
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2answers
132 views

Abilities to limit antenna use?

What kinds of abilities does a Home Owners' Association (HOA) in the United States have to limit the use of antennas placed on a roof to an owner of a home in the area?
5
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3answers
1k views

Call sign ID for a “homebrew” or improvised repeater?

I saw a couple YouTube videos last night about setting up a repeater using a pair of cheap hand-held radios and, at its simplest, an audio patch cable to connect the speaker output of one radio to the ...
5
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3answers
432 views

Unlicensed TV broadcasting power limit (Band I)

I'm curious what is the legal limit for unlicensed TV signals being transmitted on the VHF Band I? This seems ill defined. The part 15 FM rules I am assuming don't apply here. And I don't think it ...
5
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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 ...
5
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1answer
185 views

Does the FCC care about electrical arcs?

There are a lot of videos on YouTube from people who have built high voltage sources and are sending electric arcs from one place to another. Although they have no intention to emit radio waves, they ...
5
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2answers
467 views

Using a Deceased Club Member's Call Sign for Field Day

The Secretary of our club passed away unexpectedly last week. With Field Day rapidly approaching in the U.S., the board is wondering if there is any legitimate way for the club to use the deceased ...
5
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2answers
314 views

How far from earth do FCC regulations apply?

So, I know people in the space station need a HAM radio license for operation. How Far exactly from earth do you have to be to transmit any RF wave you want without a license?
5
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5answers
2k views

What about the digital mode ROS causes some to consider it spread spectrum?

The FCC disallows amateur spread spectrum communications below 220MHz. At the moment the relatively new digital mode, ROS, is considered, by some, to be spread spectrum. So this mode is getting ...
5
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1answer
239 views

Can I modify my radio to transmit on frequencies that I can currently only listen to? [closed]

I bought a radio that can receive 4 ham bands, but only transmit on 2. Can I modify my radio to transmit on these frequencies legally?
5
votes
1answer
881 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 ...
5
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1answer
157 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] ...
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 ...
5
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1answer
512 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
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3answers
427 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 ...
5
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2answers
154 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 ...
5
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1answer
617 views

What are the rules for proper use of the 5.8G (5cm) band?

I see several products that operate in the 5.8 GHz range that specifically mention a Ham license is required for their use. For example, the page for this video transmitter specifically mentions ...
5
votes
1answer
371 views

Is it legal (in the US) for a server on APRS-IS to relay replies from non-HAMS to a HAM?

I've heard two sides to this. On one hand, sites that allow you to send messages into the APRS-IS network, for relay over RF, demand you enter a call, as "only licensed HAMs may cause a message to be ...
5
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3answers
382 views

Does a Canadian amateur radio operator’s certificate expire?

I obtained my Canadian Basic with Honours certificate in the late 90's and haven't done much with it since. Was looking to get back into the hobby. Has my certificate expired? Do I need to take the ...
5
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2answers
110 views

Is Alaska considered to be located north of line A?

I recentley moved to Fairbanks AK, and was wondering if Alaska constituted being north of line A. Being that geographically, Alaska is north of line A, but in real world applications, Fairbanks is ...
5
votes
1answer
414 views

How can I know whether a radio is FCC approved?

I'm considering buying a new HT radio (Hong Ying HX-860UV Handheld) from China. The company says the model is approved by the FCC. Since I can't see it in person (only a photograph), I can't confirm....
5
votes
1answer
204 views

What are the legal requirements for an amateur radio satellite?

Lets say I can throw a satellite into orbit (I've got a good arm). I'm amateur radio qualified so can I just set it up to transmit on an amateur band and start having fun? Is there anyone I have to ...
5
votes
1answer
240 views

Is hiding your voice on phone legal?

Lets say I use a computer to change my voices pitch, or use computer generated voices to hit a repeater. Is this allowed, or does it have to be my natural voice coming in on phone transmissions? I ...
5
votes
1answer
249 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 ...
5
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1answer
104 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 ...
5
votes
1answer
177 views

Can unlicensed users operate at a Canadian club station?

I am a radio amateur licenced in Canada and a member of a local club station. At a recent meeting, someone asked me whether they could operate at the station if they did not have a radio licence. I am ...
5
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1answer
112 views

Must all three VEs hold the required licence class to “prepare” an examination, or just one?

47 CFR § 97.507 states that: (a) Each telegraphy message and each written question set administered to an examinee must be prepared by a VE holding an Amateur Extra Class operator license. A ...
5
votes
1answer
258 views

Use ham to broadcast GPS RTK correction data

I am involved in a precise positioning project that uses Real Time Kinematic (RTK) for cm-accurate positioning. We use unattended base stations that provide real-time corrections for mobile rovers. ...
4
votes
3answers
2k views

What Frequencies Are Open To People Without A License?

I am in rural Alaska and I am very far from anywhere that gives Ham Exams. I got a Ham Radio and I want to operate it and talk to people. However, I read that frequencies are not allowed to be ...
4
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2answers
223 views

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

My son KJ7NLL just got his general, and while we don't (yet?) have plans to transmit at 1.5kW, he asks if the 1.5kW limit is per-antenna? If it is per-antenna, and you use an antenna array of 8 ...
4
votes
4answers
368 views

What nations still require Morse code testing for Amateur radio license?

Going a bit further I'll ask, for which licenses (all or just for licenses for HF operation) and at what speed (5 WPM, 10 WPM, none specified)? The reason I ask is because every so often I'll see ...
4
votes
1answer
318 views

Change of Address and Callsign Zone

I'm about to permanently move to another US state, which is in another callsign zone. Will I be forced to get a new callsign in the new zone? Also, when I started, when one was traveling in another ...
4
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3answers
113 views

How can I get a license to build broadcast transmitters?

I am in the United States. The title pretty much says it all. I am really into to building transmitters. It's even more fun for me than using them. I really have a lot of skills and would like to ...
4
votes
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 ...
4
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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 ...