[TheList] Early CB Base Antennas

Tue Dec 4 12:54:30 AEDT 2012

Hi John
I have one here in my garage and the total length is 5300 mm made from sections of alli, the coil that is mounted at the bottom is 5 windingsof  45mm diameter from 2 mm copper.
The coil is spread out in length of about 80 mm and the SWR is done by hooking up the coax somewhere on the coil .
This CB Arial is my old unit When I worked in Europe the CB band  longest distance I have worked was 5000 km with 2 watt QSL card to prove it.succes  Cheers Rolf  
  ----- Original Message ----- 
  From: John Barnhill 
  To: thelist at radiowiki.org.nz 
  Sent: Tuesday, December 04, 2012 12:10 PM
  Subject: [TheList] Early CB Base Antennas

  Anyone out there remember the 26/27mhz base station antennas. Probably made be several antenna manufactures under various brand names.

  I have the 'remnants' of one and would like to rebuild it. About 16-18ft length consisting of aluminum tubing of different diameters telescoped together. The mounting bracket was 'right angle' with a female UHF/PL259 socket for terminating the 50 ohm co-ax, and from memory was 'shunt fed' with 4 or 5 turn coil about 2-3ins. In diameter with a adjustable slider to allow tuning for minimum SWR. If I remember correctly it was recommended to mount it on a 2-3ins. Diameter length of galv. Water pipe which was probably the 'ground plane' other half of the antenna.

  So, if anyone has the original dimensions of the vertical section and the coil, I would be most grateful

  Cheers,

  John B

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