G8MNY  > TECH     10.07.25 08:30z 41 Lines 973 Bytes #192 (0) @ WW
BID : 36411_GB7CIP
Subj: 2m JayBeam LR2 Colinear
Path: ED1ZAC<ED1ZAC<GB7CIP
Sent: 250710/0816Z @:GB7CIP.#32.GBR.EURO #:36411 [Caterham Surrey GBR]
From: G8MNY@GB7CIP.#32.GBR.EURO
To  : TECH@WW

By G8MNY                                     (New Sep 13)
(8 Bit ASCII graphics use code page 437 or 850, Terminal Font)

Bought this "end fed 1/2 wave" at Junk sale. Seems to work fine, good SWR etc.

                Dimensions.
            Freq MHz   í 10mm tube   
         º    133-139     36cm
    í10mmº    137-144     29cm
     tubeº    142-148     23cm 
         º    147-153     18cm
    ClipßÛ Swaged
         Û  Tube
         Û  
   í20mm Û 60cm
    tube Û
         Û
         Û
         Û
         Û
Loading ³ ³     Resined Coil under 
   Coil ³ ³14cm Rubber sleeve with
        ³_³     adjustable ring. 
        Þ Ý
   í32mmÞ Ý22cm
MountingÞ Ý 
  Tube  Þ_Ý  N.B. no ground plane!
         ß
       SO239

I assume Coil adjustment ring tuned for resonance with length, is used to set
the angle of radiation. e.g. pirfect 1/2 wave = horizon,    


Why Don't U send an interesting bul? 

73 De John, G8MNY @ GB7CIP


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