[1000mp] Different SWR at SSB and CW

Sergey a1sy at yahoo.com
Mon Jun 7 23:22:37 EDT 2004


Leslie
I answered already to Mike that I used dummy load 50 Ohm 200 Watts.
Sergey,KO5D

--- Leslie Hittner <lhittner at hbci.com> wrote:
> A few questions:
> 
> 1. Are the power measurements being made into an antenna or a dummy load?
> 
> 2. If measurements are being made on an antenna, can the difference also be
> observed when loading a dummy load?
> 
> If not, I might suggest that there are undesired RF products being created
> in the SSB mode (possibly out of band) that are not present on CW.  Check
> things like the speech processor, level of audio drive, etc. How do the
> readings compare when using the Class-A mode?
> 
> -Leslie Hittner, K0BAD
> 
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