Questions tagged [united-states]

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

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8
votes
1answer
327 views

Why do USA transceivers limit transmit to 430-450MHz?

The FCC table of frequency allocations clearly states on page 27 that the Amateur allocation for 70cm is 420-450MHz, but I've seen a lot of transceivers that limit transmit to 430-450MHz. Why is this?...
7
votes
2answers
629 views

License upgrade - retake required?

It's been more than a year since I passed my Technician and General exams and obtained my license. If I were now to go for my Extra class license, would it simply be a matter of taking and passing the ...
4
votes
3answers
99 views

What should be in a one hour class about Radios in Boy Scouts [closed]

I have been tasked with teaching a one hour class to adults who lead Boy Scout troops about "Radios in Scouting". What should I teach them? Possible subjects include: Teaching the Radio Merit Badge ...
8
votes
5answers
2k views

Is Morse code a requirement for ham licensing?

As I recall, it used to be in the U.S. that the ability to read and send Morse code over CW was a requirement for an amateur license (and was tested, I believe). Is that still true in the U.S.? If ...
5
votes
2answers
111 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 ...
9
votes
2answers
2k views

Is Morse code allowed on FM in the USA

Let's say I get my little 2 meter FM handheld out and make a little sine-wave generator with which I pulse a morse code and if I connect it to headphones a speaker, I hear the dits and dahs of a nice ...
18
votes
6answers
4k 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 ...
11
votes
2answers
1k views

Why do Amateur Radio organizations in the United States oppose the relaxation of encryption prohibitions?

I saw this question stating that it is illegal to encrypt traffic, at least in the US and UK. I also heard that there was recently an attempt to get the FCC to loosen this restriction, but a lot of ...
11
votes
2answers
811 views

Why is an exemption for music given to NASA broadcasts of manned space flight missions?

FCC 97.113 Prohibited transmissions reads: (e) No station shall retransmit programs or signals emanating from any type of radio station other than an amateur station, except propagation and ...
12
votes
6answers
27k views

Calculating Antenna Length on the FCC Exam vs. in Reality

I have seen the following formulas for calculating half and quarter wavelength antennas: Formula for $\frac{1}{2}$-wavelength antenna (in free space): \begin{equation} \mathrm{Length~(feet)} = \frac{...
8
votes
2answers
188 views

What regulatory issues/differences should I be aware of as a US ham vacationing in Europe (Poland)?

I am a US ham with an Extra Class ticket. If I were to go Poland (or possibly some other part of Europe) on vacation and bring some radios, what legal stuff do I need to know about? I know that my ...
5
votes
1answer
531 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 ...
9
votes
5answers
544 views

Is a Technician license enough to assist in times of emergency?

Is a Technician license enough to assist in times of disaster/emergency or do I need General or higher?
5
votes
2answers
133 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
votes
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?
11
votes
4answers
5k views

Can I operate in the United Kingdom with a US license?

Can my license from the United States be used to operate while I'm in the United Kingdom?
16
votes
5answers
4k views

Can a licensed ham use or modify CB equipment to work the 10 Meter Amateur bands?

Can a licensed ham use or modify CB equipment to work the 10 Meter Amateur bands? If so, are there any advantages/disadvantages to this?
2
votes
1answer
97 views

What kind of additional privileges or access do I get with each successive US license?

Just for additional information, I live in the United States.
5
votes
2answers
103 views

What organizations in the USA can I join to participate in emergency preparedness?

I want to get involved in emergency preparedness. What organizations, if any, are there in the United States that support disaster recovery and emergency management?
15
votes
4answers
4k views

Are there federal laws (US) protecting antenna installation?

Are there any federal laws or FCC guidelines that allow ham radio operators to install antennas? I live in an apartment building in a large city that bans outdoor antennas. I recall reading that the ...
8
votes
2answers
3k views

HF Digital Mode Band Plan for the USA

I recently started playing with the digital modes, but have been frustrated with the difficulty in finding where certain modes are commonly used. Is there a digital mode band plan for the HF bands, to ...
13
votes
5answers
6k views

How to operate IEEE 802.11 WiFi AP within the amateur radio service?

How can I properly use my ham radio license to operate an IEEE 802.11 WiFi access point within the US amateur radio service, rather than the US "part 15" regulations for unlicensed transmissions?

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