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AM CB Radio

For amateur and citizens band radio enthusiasts, covering licensing issues, carrier dropping, sideband and all other related discussions

AM CB Radio

Postby rothackerben8 » Sun Mar 19, 2017 10:45 am

Hi guys, just wondering about an AM CB radio that i found at a tip. The radio still works, but i am wondering if it is legal to use. If it is legal, what sort of antenna and hardware I would be needing to talk to people overseas, if possible. I have heard stories about people contacting others overseas and want to do the same. Cheers.

Ben Rothacker
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Re: AM CB Radio

Postby Radio_Australia » Sun Mar 19, 2017 6:30 pm

Fully legal for you to use , hookup a 1 kilowatt amp and she will be right !
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Re: AM CB Radio

Postby Radio_Australia » Sun Mar 19, 2017 6:37 pm

Just kidding , not much activity on am CB nowadays ,

But if you are keen get a secondhand 27mhz antenna off ebay and power supply or battery and have a go ,
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Re: AM CB Radio

Postby Blake » Sun Mar 19, 2017 9:32 pm

Yeah 27 meg AM.
The old CB band.
Still legal to use.
Doesn't get much action these days. :(
I've still got some of my old 27 meg gear though.
Should dig it out and have a play. :P
The advantage was the 'skip' factor (tropospheric ducting to be precise).
I haven't personally heard it, but have heard of people apparently skipping from QLD coast to Hawaii?
Not too sure about that though. :roll:


The CBRS operates on designated channels in two distinct frequency bands:

HF - 26.965 MHz to 27.405 MHz (inclusive)

UHF – 476.4125 to 477.4125 MHz (inclusive).

CB radios must only be operated on these channels. An earlier equipment specification, RB249, allowed the use of two channels, 27.095 MHz and 27.195 MHz these are no longer approved for use.


Legal stuff here: http://www.acma.gov.au/Industry/Spectrum/Radiocomms-licensing/Class-licences/citizen-band-radio-stations-class-licence

And for those with scanners, frequency allocations here: http://uhfcb.com.au/27-Mhz-Channel-Information.php
VESARS


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Re: AM CB Radio

Postby Newy1234 » Wed Mar 22, 2017 7:15 am

Blake wrote:Yeah 27 meg AM.
The old CB band.
Still legal to use.
Doesn't get much action these days. :(
I've still got some of my old 27 meg gear though.
Should dig it out and have a play. :P
The advantage was the 'skip' factor (tropospheric ducting to be precise).
I haven't personally heard it, but have heard of people apparently skipping from QLD coast to Hawaii?
Not too sure about that though. :roll:


The CBRS operates on designated channels in two distinct frequency bands:

HF - 26.965 MHz to 27.405 MHz (inclusive)

UHF – 476.4125 to 477.4125 MHz (inclusive).

CB radios must only be operated on these channels. An earlier equipment specification, RB249, allowed the use of two channels, 27.095 MHz and 27.195 MHz these are no longer approved for use.


Legal stuff here: http://www.acma.gov.au/Industry/Spectrum/Radiocomms-licensing/Class-licences/citizen-band-radio-stations-class-licence

And for those with scanners, frequency allocations here: http://uhfcb.com.au/27-Mhz-Channel-Information.php


You will not be chasing much 'skip' on AM.
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Re: AM CB Radio

Postby Blake » Wed Mar 22, 2017 1:16 pm

Newy1234 wrote:You will not be chasing much 'skip' on AM.


Yeah, crap, sorry. :oops:
Got confuzelled.
Meant SSB.
Oh well. :roll:
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Re: AM CB Radio

Postby scannerman » Tue Mar 28, 2017 6:41 pm

Radio_Australia wrote: not much activity on am CB nowadays ,

,


What on earth are you on about? the AM and SSB band has never been more active. however if you are gonna stick to AM you wont hear much skip channel 4 ,6 ,11 are the main AM skip channels you should hear a bit on those channels but good luck getting out on the legal 4 watts
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Re: AM CB Radio

Postby strat » Mon Aug 21, 2017 1:18 am

interesting that 27mhz is still alive.. surprised actually. :D

i still have in the garage a old uniden ax144 in decent condition just missing a mic! :shock:

and pretty sure i might even have a station master hidden somewhere on the garage roof. :lol:
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Re: AM CB Radio

Postby germanshepherd » Mon Aug 21, 2017 10:00 am

here in nz we hear a lot of hawaii on 27.085 am and most of them havent got a clue how to use a radio (or linear)
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