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ON4BBQ > MFJ 22.10.96 11:55l 24 Lines 1040 Bytes #-10406 (0) @ WW
BID : 41954_ON4AWP
Read: DG8WB DG4SAJ OK1XHC DJ8MWB GUEST
Subj: MFJ-949e
Path: DB0AAB<DB0KCP<DB0ULM<DB0LX<DB0RBS<DB0HOM<LX0PAC<ON7RC<ON4AWP
Sent: 961021/1826Z @:ON4AWP.OVN.BEL.EU #:41954 [Gent] FBB5.15c $:41954_ON4AWP
From: ON4BBQ@ON4AWP.OVN.BEL.EU
To : MFJ@WW
Hallo YL /OM and tnx for reading this msg !
I experience following problem with my 949e tuner.
When trying to tune I can obtain 1:1 SWR on all bands on my LoopSkywire antenne
fed by open wire. The indicated forward power outout on the tuner is however
giving me a wrong (always too low; mostly abt 50 % of real P) reading. The
reflected indication is correct, as checked with a precise SWR / P meter.
An E-Mail to MFJ produced me with a procedure to re-calibrate the tuner; this
however was not necessary and the faulty indication remains.
The fault seems to be non-linear in the forward power indication only. By
reversing the 2 wires on the meter I could find out that the meter itself was
not at fault.
Is there anybody out there who can help me out on this one ? Again, the tuner
is working fine but only the forward P indication is too low. Before I start
changing diodes ( 2 1N34A's) or Cap's I would like some advice.
Many tnx for yr reply !
73 de Ronald, ON4BBQ @ ON4AWP.OVN.BEL.EU
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