Questions tagged [united-states]

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

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3
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0answers
74 views

GnuRadio RF transmission, legal and safety issues

I'm trying to run some transmit/receive RF examples that I found online using GNU Radio with USRP B200. I read and heard about some cautions in terms of transmitted frequencies here in the USA which ...
2
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1answer
54 views

Transferring old callsign to a club?

A new vanity callsign will be granted to me (currently in pending level 2 stage). Can I transfer my current soon to be cancelled callsign (vanity) to a club which I am trustee without waiting the ...
5
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3answers
95 views

Is Field Day a contest?

Is the ARRL Field Day a contest, or is it not a contest? Kindly explain the reasoning behind your answer. A non-ham could not tell the difference.
2
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1answer
119 views

Would a ham license allow me to use an uncertified radio on other (non-ham) bands I have permission to use?

I just purchased a UV-5R to hopefully integrate into business class radios my company uses. Do I need a technician or other class FCC license to operate these only on the frequencies I already access ...
11
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3answers
232 views

Testing blind license applicants

My friend is blind and would like to take the amateur radio license exam. I understand that the question and the four possible answers can be read to them, and that is fine. The one question that we ...
3
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4answers
84 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 ...
0
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2answers
45 views

How old do you have to be to be a ARES volunteer?

Look at the title for the body because my question is short.
1
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2answers
68 views

What to do when accidental emission can't be given a call sign ID?

Yes, obviously, it would be best if there's not an emission that doesn't include a call sign ID. Part 97 seems to say this should never, ever occur (the law is often written in that kind of black-and-...
5
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3answers
282 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 ...
6
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2answers
150 views

What are the official Baofeng websites in the USA?

Which Baofeng website(s) in the USA is (are) official (that is, selling genuine Baofeng radios, programming cables, and accessories)? Which "Baofeng" websites are NOT, allegedly selling counterfeit ...
1
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2answers
58 views

How to log contacts when mobile?

I'm just about to get on the air for the first time as a ham. It's been my understanding that it's good to log contacts with call sign, frequency, signal quality, and time of contact. However, for ...
3
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1answer
44 views

Digital networks — operator at control point, or automatic relay?

I've recently (part of studying for Extra license exam) learned about "mesh networks", where it's common to use repurposed wifi routers to connect at 2.4 or 4.8 GHz and form a network over a much ...
0
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1answer
36 views

Sending a downloaded file on digital: third party communication?

This came up in comments on this question. Since before the Internet was widely available, it's been common to pass along files received from other users or downloaded from a server somewhere. For ...
4
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3answers
289 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 ...
4
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1answer
119 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 ...
4
votes
1answer
245 views

What are Radio-location Services in the 1.9-2.0 MHz range?

I'm currently studying for the General Exam and in looking at charts of the new frequency privileges have run across a restriction I would like to have further defined. In the 160 meter band the books ...
3
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0answers
73 views

Can anybody identify an appropriate radio for this game? [closed]

Complete radio ignoramous here. I've been playing a game called The Blackout Club, and I'd quite like to make a 3D model of a radio set for it. The game is set around 2007 and, as in the picture ...
0
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3answers
116 views

Why do some of the amateur radio license names imply something different than what it actually is?

I am asking on behalf of my friend who is not on this site. My friend wants to know the nomenclature behind the licence Amateur extra, since they think that that term is misleading. I think my ...
1
vote
1answer
93 views

What devices are able to decode the EAS SAME headers, attention signal, and encoded marker?

When I was watching television, especially when I was younger, I sometimes heard a loud noise, followed by either a test message, or a genuine emergency broadcasts, like an Amber alert. The first ...
6
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1answer
109 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 ...
0
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3answers
68 views

Voltage Converter for Amp

I have a chance to get a 1 kW amplifier with a 220V plug dirt cheap from a friend of mine, but I only have a 110 outlet. The 110 outlet is on its very own 20A breaker with no other outlets. Could I ...
0
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2answers
139 views

Amateur wanting to re-enter ham radio legally

I'm an Amateur Radio enthusiast from way back; mostly CB and 10 meters. I have a couple of hand-held Baofengs that I want to use for family communications and as a backup link in case of emergencies. ...
4
votes
2answers
142 views

Yagi vs Parabolic Dish for 2.4GHz Campus Wifi from 1,800ft away?

My apt balcony is 1,812 feet exactly from my campus's Wifi access point behind a triple pane, brick, 4th floor building window. There is a clear line of sight. I was interested in seeing if I could ...
5
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3answers
366 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 ...
7
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1answer
159 views

How to clean up profanity on airwaves

We have a repeater here in Southern California (Sylmar K6GE 147.435), and no matter what time of day or night there are a great many operators spewing tremendous profanity, disrespect and meanness ...
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1answer
136 views

Is it legal to transmit scrambled or encrypted voice via SSB on ham bands?

And also, can anyone tell me how? Using Arduino or any other way ...
3
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2answers
79 views

Mobile 2m / 70cm dual band with aviation frequency TX capability

Forgive what may be a basic inquiry from a new enthusiast. I am new to amateur radio, just barely passed Technician and General tests. I am also a pilot and have an RR class licence. I believe that I ...
1
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1answer
77 views

What are the differences of ham radio procedures compared to military or public safety procedures?

After reading the commentary in this question and its answer, it's apparent that ham procedures/norms/protocols/etiquette are substantially different than military and public safety radio procedures. ...
9
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3answers
246 views

Why does ARRL license examination procedure preclude students from discovering what questions they got wrong on licensing tests

I got my Extra-class ticket some time ago. I was able to discover what my score was (the number of questions I got wrong). However, my examiner was not able to tell me specifically which questions I ...
1
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1answer
264 views

2018/2019 proposed expansion of technician privileges

I read that arrl is petitioning the FCC to expand the privileges of the technician license. Can you summarize those changes with the schedule?
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3answers
324 views

What kind of ham radio license should I get?

I have an interest in studying and researching how radio technology can be used in other fields of electronics. What kind of license should I look into so I can carry out some experiments or research? ...
3
votes
1answer
149 views

What is the minimum equipment necessary to get on the air with FT8?

To the extent that FT8 is a way to bring people into the hobby or re-ignite passion among those who haven't been on the air in a while, what's the easiest way to get someone on the air with this new ...
4
votes
1answer
83 views

Is a US Extra class exam from the '90s valid to upgrade from Advanced class today?

If one passed the Extra written test in the late '90s at an ARRL test center but did not get the 20wpm endorsement, yet is an Advanced operator, would they now be upgraded to Extra class or do they ...
4
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1answer
82 views

A question about callsign formats

I just passed my technician exam (yay!) and received my callsign from the FCC (KC1KHV). I was surprised by the two letter prefix, which seems to come from the class D group. According to the FCC ...
5
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3answers
177 views

Is HAM the only non-criminal/civil broadcasting a person can do that doesn't own a shortwave radio station?

I do not understand. Is ham radio the only legal way to broadcast on shortwave radio? I mean for a "regular" person, not a million dollar radio station. I saw lots of shortwave broadcasting ...
5
votes
1answer
3k 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 ...
1
vote
3answers
376 views

Amateur Radio Long Distance Data Communication

My friends and I are going off to college ~180 miles/290 kilometres apart. As a project, we are looking into creating a data communication connection between our two schools. Our requirements would be:...
3
votes
3answers
179 views

Non-life-threatening emergency in the US?

The minivan in front of us blew a tire and pulled over, a long way away from mobile signal. We couldn't find a spare tire. I have a Technician license; if I'd had my Baofeng BF-F9 V2 with me, is there ...
6
votes
2answers
244 views

Are old USA amateur radio licenses in the public FCC database?

My old man worked in avionics for 30+ years and taught me nearly everything I know about radios, like how a superheterodyne receiver works, how the ionosphere refracts signals, etc. He grew up only a ...
2
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2answers
153 views

Amateur Radio for Science Fair

Can I use an amateur radio for a science fair? If so, do I need to prove that I have an active license?
7
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1answer
663 views

Do FCC regulations limit digital data rate?

Are there FCC regulations that specifically limit digital data rate on the amateur bands? Are there any recent or proposed changes? If so, what are they specifically?
-4
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1answer
82 views

where to look for (live or recorded) air traffic conversations for a specific area? [closed]

I am wondering if there's any chance to get a short fragment of ATC/pilot radio exchange of any flight to/from small airport of Talkeetna (Alaska). This airport seems to be not present on liveatc.net, ...
8
votes
2answers
228 views

Full UK license visiting US: Can I use frequencies in US but not UK license?

E.g.: 7.2-7.3MHz are Region 2 but not Region 1. My license is "from" Region 1. 1.25 meter band is not available in the UK Operating from aircraft is not permitted in the UK. Would it be if I visited ...
2
votes
1answer
88 views

Is it possible to get a set of radios that will work 10 Miles in suburbs? [duplicate]

I don’t have much experience with radios, but I was wondering if it would possible to have two CB or GMRS radios that will connect to each other over 8-12 Miles og distance? My budget is about $175. ...
4
votes
2answers
243 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 ...
6
votes
1answer
109 views

USA/callsigns: Why is California region 6? And the midwest in regions 7-9?

I don't quite understand the regional callsign system for the USA. At first it seems to make sense with CT, MA, ME, NH, RI, and VT being region 1 and then going west NJ and NY are region 2, and then ...
6
votes
1answer
127 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 ...
3
votes
1answer
87 views

Is there any point to keep the CSCE after the FCC registers the upgrade?

Is there any point to keeping the CSCE form after the FCC registers the exam/upgrade in its database? I'm trying to go paperless in my old age and if there's no reason not to have the paper copy, into ...
7
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1answer
456 views

What changes are being made to the Technician question pool in 2018?

On 2018 July 1, the FCC's question pool for the Technician class license will be changing. Has anyone written up a summary of the updates or made a list of differences from the previous pool? What ...
5
votes
1answer
215 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 ...