ON THE BLUDGE

Submitted: Saturday, Apr 23, 2005 at 17:20
ThreadID: 22311 Views:1462 Replies:4 FollowUps:4
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I was recently given an old 26mgHz AM CB radio with everything except the 26mg whip aerial to screw onto the antenna base.

Before you all bombard me with the pros and cons of HF vs UHF vs AM vs etc.

I just want to fire it up and talk to a mate of mine who also has a similar rig just for the nostalga

Been to all the 'usual' outlets to see if I could buy one but of course these are almost termed as 'historical items' now :-)

I live in the Castle Hill area of Sydney and if someone had one they didnt want I would appreciate it
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Reply By: D-Jack - Saturday, Apr 23, 2005 at 17:36

Saturday, Apr 23, 2005 at 17:36
26 mgHZ, was that the frequency used before 27 meg? If so must be real ancient and not wonder nothing avaliable!
AnswerID: 107949

Follow Up By: Mad Dog (Australia) - Saturday, Apr 23, 2005 at 21:10

Saturday, Apr 23, 2005 at 21:10
26megs used to be the NZ CB frequency, maybe still is dunno. I think Kiwi just forgot where he was and means 27 meg
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Follow Up By: KiwiAngler - Saturday, Apr 23, 2005 at 21:54

Saturday, Apr 23, 2005 at 21:54
Nope mean 26
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Follow Up By: Mad Dog (Australia) - Saturday, Apr 23, 2005 at 22:23

Saturday, Apr 23, 2005 at 22:23
Ok, must have been imported from NZ as 26 was never used here, maybe it's a Tait. You may be able to get enough adjustment from an old adjustable tip 27 meg antenna, it needs to be slightly longer than 27 megs to resonate, if the tip is not long enough replace it with a longer one...you really need an swr meter to do the job or get one of your mates in NZ to send one over, they still uses 26 megs over there.
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Reply By: Groove - Sunday, Apr 24, 2005 at 16:03

Sunday, Apr 24, 2005 at 16:03
Actually just to be picky channels 1 2 and 3 in Australia are on 26.965, 26.975 and 26.985Mhz respectively.
AnswerID: 108010

Follow Up By: Mad Dog (Australia) - Sunday, Apr 24, 2005 at 16:49

Sunday, Apr 24, 2005 at 16:49
yeah that's on the 40 channel radios. The older 18 channel radios started at 27.015
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Reply By: Rick Blaine - Sunday, Apr 24, 2005 at 20:17

Sunday, Apr 24, 2005 at 20:17
Have you tried dicky Smith... and get one of their very experienced 13 yo assistants to help?
AnswerID: 108032

Reply By: BushBugga (SA) - Saturday, Apr 30, 2005 at 09:15

Saturday, Apr 30, 2005 at 09:15
Mad Dog is on the money here! And the process of tuning the antenna is quite simple.
1. Get a 27Mhz CB antenna (Best if you use one with an adjustable tip)
2. You will need a SWR meter (Sanding Wave Ratio) Aussie one will do.
3. Some wire that is the same diameter as the tip of the antenna. If you manage to get the adjustable tipped one then try the good old coat hangar and cut out the longest straight part accross the bottom. It will need to be twice as long as the original tip.
4. Install the antenna in the position you intend to operate and ensure you have agood earth at the base of it.
5. Connect the SWR Meter between the transmitter (Radio) amnd the antenna (with the new tip installed about 1/2 way) and tune the radio to the centre channel. eg if the radio has 40 channels then use channel 20.
6. transmitt and check swr. if the ratio is above 2to1 the tri the tip no more than 10mm and retest untill the ratio is less than 2to1.
7. Continue testing as before except now adjust the tip depth untill you find the lowest SWR and youre done!

An important note is that it is technically illegal to operate/transmit your radio here in OZ as it operates outside the Australian Citizens Band alocation. Sorry had to be said.
AnswerID: 108899

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