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HB9ABX > ANTENN 31.10.08 17:19l 31 Lines 874 Bytes #999 (0) @ WW
BID : K9M2FNHB9EAS
Read: IZ3LSV GUEST
Subj: improved G5RV
Path: IZ3LSV<IK2XDE<HB9TVW<DB0ANF<DF0ANN<DB0FOR<DB0SIF<HB9EAS
Sent: 081031/1614z @:HB9EAS.CHE.EU [Basel JN37TM] DP6.00 $:K9M2FNHB9EAS
From: HB9ABX @ HB9EAS.CHE.EU (Felix)
To: ANTENN @ WW
Improved G5RV
The G5RV is a well known multiband doublet antenna.
It was improved by ZS6BKW (now G0GSF), who optimised the
dimensions slightly to obtain a perfect match on 5 bands, where
no antenna tuner is required.
These bands are: 40-20-17-12-10 meters.
The dimensions of this antenna are:
Length = 27.5 m ( 2 x 13.75 m), fed in the center by a
400 Ohm feederline of 12.2 m length.
Then follows the 50 ohm coax to the transceiver.
Between the feeder and the coax, a 1:1 current balun is to
be used (or a balanced antenna tuner).
The well known antenna expert L.B.Cebic W4RNL commented
this antenna:
"This is the best result that has been achieved of any of the
systems that has come to my attention."
Read the detailed analysis here:
http://www.nonstopsystems.com/radio/G5RV-1.pdf
Best 73s
Felix HB9ABX
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