Skip to main content

Questions tagged [citizens-band]

Citizens Band or CB radio is in the United States an unlicensed radio service operating on 27 MHz.

Filter by
Sorted by
Tagged with
2 votes
2 answers
102 views

Performance of 2M/440 Amateur magnet mount antenna with CB

As I suspect that most people reading know already that a "well behaved" CB antenna tends to be quite large. In the past I compromised on a "proper" antenna to reduce size by ...
MacGuffin's user avatar
  • 359
-1 votes
1 answer
83 views

Utilising old CB Base Antena to 5g Antena

Is it possible to utilize an old CB Base Antenna (10 meters tall) as 5g Antenna to plug into the back of a 5g router that is currently only registering 4G? I have one on top of a single story unit ...
Murtaza Younis's user avatar
0 votes
2 answers
747 views

Calculate antenna the length of an antenna for 477Mhz uhf radio [duplicate]

I'm very new to Ham radio and would like to know in simple terms how to calculate antenna the length of an antenna required for a 477 MHz uhf radio and or half wave or 1/4 wave whatever is better. I ...
Cos Davidson's user avatar
4 votes
2 answers
1k views

Can I use my CB mobile antenna with a 10 meter radio also?

I have a mobile mounted CB antenna that has an SWR of 1.5 on channel 20. Is it possible to use it with a 10 meter radio? I do not have enough room on my car for an additional antenna, so if it is ...
diodes123's user avatar
0 votes
2 answers
147 views

CB v Amateur Radio [duplicate]

I am learning about Amateur Radio so as I can go for my foundation licence but I was on CB back in the days, a channel nine monitor and used the 10 code and the Q code but all I can see is the 73 ...
Andrew Savage's user avatar
3 votes
2 answers
238 views

Understanding low MUF in VOACAP

I've started playing with VOACAP to better plan and predict conditions on 27 MHz (CB). To my utter astonishment, VOACAP says that I won't be able to communicate on that frequency, regardless of ...
Alexander's user avatar
  • 321
0 votes
1 answer
594 views

Modify a CB radio to connect to a wireless network? [closed]

Is it possible to modify a CB radio to connect to a wireless network, and potentially send any data sent from the radio as a buffer to an outside source like an API? If so, what would be the best way ...
Megan's user avatar
  • 103
1 vote
1 answer
338 views

Cobra hand held 50wxst aftermarket antenna

I’d like to add an aftermarket antenna to my cobra HH50wxst to boost my range. My only concern is if I got a longer antenna, could it possibly throw off the SWR and damage the radio? I am totally new ...
Daniel L. VanDenBosch's user avatar
1 vote
0 answers
94 views

Repeater transmit voice message/warning on input frequency?

I'm in the process of planning a UHF CB radio repeater. And I've heard there are ones around that transmit a voice message/warning on their input frequency (as well as standard output channel ident) ...
Hayden Thring's user avatar
1 vote
1 answer
108 views

Dual Rubber Ducky antennas

Can I use 2 identical rubber ducky antennas with a splitter on my CB HT radio to improve range?
user18041's user avatar
1 vote
2 answers
479 views

How can I check if my CB radio is AM or AM/SSB?

How can I check if my CB radio is AM or AM/SSB? I know that it is a CB UHF radio but there is no information of whether it is AM or AM/SSB.
S.Allen's user avatar
  • 11
1 vote
3 answers
2k views

Wiring Cobra 29LTD CB for home use?

I'm a beginner trying to use one of my two CB radios as a "base station." The problem is that the power cable is just two wires (no connectors/12v car plug) and a 2A fuse along one. Is it ...
Galaxy's user avatar
  • 199
2 votes
1 answer
105 views

Are there hand held radios for both Amateur and CB?

Are there combo handheld radios for CB and amateur radio? If so, is it practical?
Jim Quirk Jr.'s user avatar
5 votes
1 answer
672 views

Can my laptop pick up CB radio frequencies?

I was on my laptop watching a show and I paused to look something up and since there was no sound I could hear a voice talking. It sounded distorted like it was coming over a radio and I couldn't make ...
Christian Castellanos's user avatar
5 votes
2 answers
9k views

Can I use a CB antenna with a ham radio?

I just passed General and purchased a FT-450D with an internal antenna tuner. While my ultimate plan is to use a G5RV, it will be a while before I can get it up. What modifications would I need to ...
Adam KC0DAD's user avatar
4 votes
3 answers
763 views

What kind of antenna connector is this?

I'm looking for antennas to attach to my CB radio. This one is a "rubber ducky" antenna. I'm not sure what the connector is, can anyone identify it for me? [edit] Here are some other pictures
ToastHouse's user avatar
1 vote
4 answers
2k views

CB Ground Plane on fiberglass RV

The CB ground plane on my 43' fiberglass motorhome stinks. Has never worked correctly. If I install a piece of sheetmetal around the antenna on the roof would that help the ground plane at all? A flat ...
George Joannides's user avatar
1 vote
3 answers
7k views

Shortwave / CB / ham

Are all of these the same? Shortwave, CB, and ham If they are not the same, which one is better? Which one can be easily hidden (doesn't ham need a big antenna?) for broadcasting?
user2263986's user avatar
5 votes
3 answers
793 views

Mounting my antenna

I just bought a CB and mounted it in my truck. I ran my antenna to the back and was going to stick it to my tool box but it turns out to be aluminum, so I'm thinking of bolting a metal plate to the ...
B Wingfield's user avatar
3 votes
1 answer
7k views

Programming VHF To CB

New to this particular site on StackExchange and new to amateur radio period so bear with me: I'm looking into buying a VHF radio for work related purposes. More specifically the Icom IC-2300H. I've ...
Jesse Elser's user avatar
2 votes
3 answers
3k views

SDR CB Transmission

I have a CB radio and I occasionally mess with a cheap SDR Dongle I have. I can pick up CB transmissions no problem but would like to be able to broadcast from my SDR. Is there any way to do this? I ...
1ntel0pe's user avatar
3 votes
2 answers
2k views

What is the minimum length antenna I can use with my vehicle setup?

Devices I need to hook up to roof-mounted antennas in my truck. Scanner - 25Mhz-800Mhz (mostly listen to FD/EMS on 2m and 70cm) Handheld HAM (possibly upgrading to mobile unit) - 2m/70cm CB Radio - ...
Jacob K - KD2JAG's user avatar
5 votes
1 answer
146 views

OK for S/RF light to be illuminated at engine idle?

I just installed a mobile CB (Uniden) into my Jeep. When the key is in auxiliary (car off, accessories on) and the squelch turned all the way down, no S/RF lights are illuminated and the background ...
jonathanbell's user avatar
2 votes
3 answers
699 views

Should I use ham or cb radio? [closed]

I've been scouring the internet for the answer and my question is never directly answered, usually there is a bunch of technical jargon. It is not that I am unwilling to learn, because I want to, but ...
WeekzGod's user avatar
  • 121
1 vote
1 answer
144 views

Magnum 257 & Firestik 3' Tuning

Trying to tune a Firestik antenna connected to Magnum 257 on my '98 Jeep Wrangler. Having trouble with SWR reading as it is reading too high (~4) after I set needle on FWD and then switch back to REF. ...
Dr Gonzo's user avatar
4 votes
2 answers
4k views

How to hook up my computer's audio output to my CB Radio?

I own this simple CB Radio: http://www.cbforumas.lt/upload/manuals/alan/alan_42_um.pdf I would like to connect its 2.5mm microphone jack and my computer's 3.5mm audio out jack. I have tried simple ...
Andreas Hartmann's user avatar
17 votes
5 answers
5k 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?
Timtech's user avatar
  • 2,336