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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2k 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 ...
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1answer
108 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 ...
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2answers
286 views

Do I need a license to operate as a ham in Haiti?

I am currently thinking about joining the shortwave radio community, and know that if I was going to operate one in the U.S., I would need a license to operate in a certain range. But I am not living ...
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1answer
131 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] ...
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2answers
253 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 ...
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4answers
205 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 ...
5
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2answers
129 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 ...
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1answer
1k 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/...
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1answer
108 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 ...
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2answers
408 views

Hopping from one frequency band to another in SDR (ex: USRP)

This question is not about Frequency Hopping Spread Spectrum! In SDRs, say USRP, if we are transmitting in a particular frequency band, can we dynamically hop from that band and transmit from ...
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2answers
208 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 ...
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3answers
420 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 ...
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2answers
3k 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 ...
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1answer
103 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 ...
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3answers
194 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 ...
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1answer
3k views

Is it legal to use BAOFENG BF-888S 16-CH 400~470MHz 5W Walkie Talkie in India?

If not, what can be used as mode of communication for group trekking. It is very urgent and important Please suggest some better options for walkie talkies
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1answer
314 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 ...
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3answers
445 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.
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3answers
717 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 ...
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2answers
1k 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 ...
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1answer
273 views

How is the PRC-152 able to achieve such a wide frequency range?

I am referring to the Harris Falcon III designed for military. It has a frequency range from 30MHz - 870MHz. However, when I look at commercial radios, their frequency ranges are usually limited to ...
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2answers
141 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
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1answer
114 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 ...
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2answers
921 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 ...
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3answers
2k views

Private Channel?

Is there a method to limit the people with access to a simplex channel? I would like to utilize a channel that is set up for just myself and my wife. If I gave directions to meet somewhere I would ...
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1answer
958 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?
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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 ...
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1answer
82 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 ...
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1answer
250 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 ...
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2answers
5k 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 ...
3
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2answers
362 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 ...
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0answers
154 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?
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3answers
1k 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,...
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1answer
206 views

Should I have a license for APRS on my company car fleet

I am thinking to equip every car in my company with APRS tracking device from amazon. I would like ask if I have to have a HAM license for it. If yes, than for which person — I am not driving those ...
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1answer
321 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?
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1answer
354 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 ...
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3answers
3k views

Could a weather balloon make a good antenna?

I can't afford a massive tower, but I can get a weather balloon. What kind of set up would work best to get the maximum efficiency out of altitude?
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1answer
235 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, ...
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2answers
632 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 ...
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1answer
63 views

VTS messages vs AIS

When arriving in a port, complementary to her AIS signal (encoded VHF message) it seems that the vessel also has to emit a voice message on a predifined VHF frequency to identify herself as part of ...
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1answer
135 views

is fm transmitters legal in japan

I was wondering what the laws are in Japan concerning FM Transmitters. I recently purchased one of eBay (http://www.ebay.com/itm/401047827071) I don't have a license or anything so I would like to ...
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4answers
26k 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....
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4answers
748 views

Max legal power with nearly zero BW

I'm developing a type of ground penetrating radar that does not use pulses. It's extremely narrow bandwidth. As narrow as a good crystal can get it. The frequency I'm shooting for initially is ...
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2answers
204 views

Is it all right to call CQ to a foreign country in their own language?

I have been asked by an Arabic speaker here in UK if it is legal, or desirable, to call CQ in Arabic if his beam is directed that way. Please, what answer should I give? Is there a general rule that ...
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3answers
806 views

Call dialer sound on start/end of transmission?

I have a friend who has a HAM license and a ham radio, and when he first pushes the button to talk, I hear a "call dialer" sound. It sound like someone is dialing a phone number in. The tone starts in ...
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5answers
16k 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, ...
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3answers
217 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 & ...
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1answer
170 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?
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1answer
382 views

Do I need I license to have these walkie talkies in Japan

I currently reside in Japan (not on a military base) and I have been interested in purchasing some walkie talkies. I found these on amazon JP Link and I was wondering if can I own something like this ...
5
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1answer
219 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. ...