Questions tagged [united-states]

Questions specific to rules, regulations, and practices in the United States of America.

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5
votes
2answers
205 views

Amateur Radio for a Nomad [duplicate]

I got my amateur license back in the early '80s, primarily for putting it on my resume for an electronics job. Never used it outside of developing my Morse code speed, and once I got my Advanced Class ...
10
votes
4answers
947 views

What is the highest US amateur license I can get in one sitting?

If I start with no current license, can I take all the exams in one sitting to get to Amateur Extra?
3
votes
3answers
5k views

How do I find expiration date of my misplaced US ham license?

I can't find my general class license. I want to apply for a vanity call sign (my call sign when I was 16 years old) but I don't know the expiration date of my current license. Is there some way to ...
0
votes
2answers
184 views

Should a MacBook emit fluctuating EMF when WIFI and Bluetooth are turned off?

I have a couple of MacBooks. Using a Trifield EMF meter with radio/microwave capability, if I hold the meter near the laptop (where I understand the wifi antenna is located), I receive blips ranging ...
4
votes
1answer
886 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 ...
0
votes
1answer
2k views

Frequencies as 5 digits and 6 or 7 digits

Why are some frequencies 5 digits like 51344 and some six or seven digits long like 158.7600?
2
votes
1answer
168 views

model rocket locater

I'm trying to determine the best way to operate a model rocket tracking beacon. There's various vague details on modes of operating in part 97, and equally vague descriptions in the 70cm band plan, ...
1
vote
2answers
227 views

EMT radio communications

I just joined the community, and I got a communication question. Based on searches most relevant questions were posted in this community, so I hope I can get a proper answer! EMT, first responders, ...
3
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2answers
155 views

Renewing, how do I transmit legally with the new certification process (USA)?

So, from what I hear, the FCC has done away with mailing out paper certificates. The way I read the regs, I'm required to have an official paper certificate either on my person or at the station I'm ...
2
votes
2answers
405 views

What is the proper way to log participation in a net?

I'm a new operator (since Thursday) and I'm just curious how folks here log participation in a net. There is a twice a day social net here I've been participating in occasionally. Do I log everyone ...
4
votes
1answer
2k views

What is my VE status?

I was an ARRL VE years ago. The info about ARRL VEs says that you remain a VE and the only way one will be dropped is loss of license. However, years ago to be a valid VE one would have to have a ...
6
votes
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?
3
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1answer
171 views

Best way for US ham to join RSGB

Overseas hams can join RSGB from their site for 51 GBP, which today is about 79 USD. USA hams can also join through the ARRL for 75 USD. Assuming the $4 is not a factor, are there any advantages to ...
2
votes
2answers
309 views

What restrictions exist for non-HAMs in the 5.8 GHz band?

What restrictions exist for non-HAMs in the 5.8 GHz band in the USA? Context: these types of popular video transmitters (600 mW, 25 mW) commonly used for FPV piloting. Any requirements to have a HAM ...
5
votes
1answer
564 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
5answers
3k views

Is the National Calling Frequency actually used?

I know that the national calling frequency is 146.520. Everywhere I go, it does not give a DUP or TSQ. I am not trying to be or, ask a crazy question but is there or not.
4
votes
2answers
4k views

What's the unlicensed power limit for 5.8 GHz (5 cm) transmissions?

5.8 GHz NTSC video transmitters are popular for FPV (first person view) model aircraft flying. However, because the 5.8 GHz band (5725 to 5875 MHz) is also available for ISM (unlicensed) use, it's not ...
9
votes
3answers
947 views

Are hashes (such as md5) legal in the US

If I were to implement a remote computer control system using amateur radio, would using hashes (such as md5, sha-*, etc...) for authentication be permissible under the United States rules?
8
votes
1answer
738 views

Is a modded Yaesu FT-270r acceptable to use on MURS frequencies?

I am a bit new to the radio scene, so excuse me for any ignorance that may follow. I saw on a website that you could mod the Yaesu FT-270r so that you can increase its transmission range outside of ...
6
votes
3answers
333 views

What is the reason/origin of conventional US repeater offsets?

In the US, the common (though not universal) repeater offsets are ±600 kHz in the 2m band and ±5 MHz in the 70cm band. How and why did these offsets come to be standard for amateur repeaters? The ...
1
vote
3answers
176 views

Using two radios for a faster data rate

The maximum data rate on UHF is 56kbaud. This is well over most "high-speed" 9600 baud transmissions. Is it possible to use two receivers at one site, and two transmitters (vice versa when the ...
12
votes
3answers
519 views

What are the relative bandwidths of the amateur bands?

While I was operating on 40 m for Field Day, I noticed a higher SWR than when I first set my antenna tuner for the band. This happened, of course, because I was in a different part of the band, but I ...
14
votes
4answers
564 views

Are amateur radio call signs unique among all radio call signs?

Idle curiosity: Are the call signs of amateur radio operators distinct from call signs in all other radio services, such that there can be no ambiguity even if the relevant license and band(s) of ...
7
votes
3answers
6k views

Straight to General license, skipping Technician?

I would like to get involved in ham radio and I'm inclined to study for and take the General exam right away, rather than going for Technician and then upgrading. Are there good reasons not to do this?...
5
votes
1answer
340 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 ...
2
votes
3answers
10k views

Trouble communicating between Baofeng and Midland walkies

I'm very new to walkies and radios, and I know next to nothing. My friends and I bought a box of Baofeng 888s radios (which apparently also go by quite a few other names and manufacturers) and I'm ...
6
votes
2answers
807 views

Is it possible to transfer an area-specific call sign from a deceased relative?

I passed my Technician exam today and my grandma, who's been a ham for decades, suggested that I could try to get my grandpa's call sign. He passed away several years ago, but his FCC registration is ...
6
votes
2answers
1k views

Is it legal to monitor police and weather channels without a license?

I have two HT's that I bought from Baofeng for emergency use and I don't have a license. I was wondering: is it perfectly legal in the USA for me to be monitoring police and weather channels without a ...
2
votes
1answer
264 views

What FCC rule allows Skywarn and other spotters to restrict repeater use?

When amateur radio operators associated with the national weather service "close the net" on a repeater and request only severe weather reports on that frequency, what FCC ruling is in effect, given ...
10
votes
6answers
2k views

While backpacking, is it worth mounting the antenna to the backpack frame (above my head)?

I am planning a trip with a large group in 6 weeks. We will be spread out in small groups on a trail in a mostly desert plateau landscape perhaps 5 miles apart, but mostly in a straight line. I'm new ...
3
votes
2answers
16k 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+?
3
votes
2answers
274 views

Is it legal to put IRLP on a 2 meter repeater?

I heard that it is illegal to put IRLP linking onto a repeater on 2 meters in the USA. I was wondering if this was actually the case.
8
votes
4answers
497 views

Am I studying obsolete information?

I am using the ARRL General Class License Manual 7th Ed. which was published April 25, 2011. However, I know that the National Conference of Volunteer Examiner Coordinators (NCVEC) recently released ...
4
votes
3answers
675 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

When is APRS use considered commercial?

I've heard that APRS is only allowed for non-commercial use. I was thinking of a building a weather station that uploads data via APRS (so far, non-commercial). If I then include data from that ...
8
votes
5answers
9k views

What frequencies should I listen to for packet radio?

I just obtained a really old packet TNC and hooked it up to the computer, and it appears to work. Is there a standard packet calling frequency on 2 meters? I would like to see if there is packet ...
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 ...
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 ...
2
votes
1answer
335 views

Transmitting on FRS using a chinese handheld radio [closed]

I bought a Chinese-made handheld radio with detachable antenna. I programmed it for FRS/GMRS frequencies, but its output is about 3W. Is it illegal? If it is, why and how would anyone find out?
7
votes
6answers
4k views

Amateur Radio License: USA or Canada, does it matter?

I'm hoping to take the exam in the fall. My question is, does it matter whether I do so in the US or Canada? I would like to operate the radio at my school in Canada, but I do get the chance to come ...
6
votes
1answer
210 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?
5
votes
3answers
292 views

What exactly is field day, and do I need equipment?

I have been a ham not quite long enough to experience field day. I have been excited for the weekend ever since I heard about it. I looked at the ARRL site for field days in my location, and found a ...
9
votes
5answers
4k views

Is it illegal to key up and not identify?

So, I key up on a repeater to see if it works, or to see what cool courtesy tone they are using. I don't do anything else. Is it illegal or bad ham radio etiquette to just key up for a second, key ...
10
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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.
8
votes
1answer
182 views

Identifying regulations for interfering stations

I'm working on tracking down some 2m repeater interference, and I have identified that the offending signal is a spur transmission on a commercial pager service (that lands right on our repeater input ...
3
votes
5answers
1k views

How do I get a coordinated frequency assigned for my repeater?

I am thinking about putting up a 70cm repeater up on my High School, where they have a very tall roof. By the time It is ready to put it up, I want to make sure a frequency is reserved for the ...
3
votes
2answers
2k views

Choosing simplex frequency as a technician

My brother and I just got our technician class license. We live close enough to each other that we can use simplex on 2 meters or 440. How do we go about choosing the best frequency to use?
5
votes
1answer
106 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 ...
2
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2answers
2k views

In USA, is it legal to hear police or ATC frequency? [closed]

In USA, is it legal to hear police or ATC (air traffic control) frequency?
7
votes
1answer
699 views

Why are there no amateur allocations in the LF and VLF spectrum?

Amateur radio enthusiasts have slices of spectrum at every magnitude of spectrum MF and above, but in the US none are below MF. Why are there no spectrum allocations below 160M?