At 12:35 AM 7/24/2006, Jan Erik Holm wrote:
>However personaly I´m not sure buying a INRAD roofing filter
>for the 1000D is well spent money.
>With the mods below an INRAD roofing filter does not seem
>to give any IMDDR3 increase at all.
>However, on a 1000D with no bandpassfilter diode mod an INRAD
>roofing filter gives a substantial IMDDR3 increase, around 15dBm.
>This is the mods I´m talking about.
>1. W8JI noise blanker mod
>2. Replace bandpass filter switch diodes, forexample per Yaesu
> service bulletin TB-93201
I have two 1000Ds that have these mods, and I added the roofing filter to each
when it became available. The difference is like night and day. Nearby station
interference is greatly reduced.
73! - jeff wk6i
--
Jeff Stai jds@twistedoak.com
Twisted Oak Winery http://www.twistedoak.com/
Winery Blog http://www.elbloggotorcido.com/
Rocketry Org. of CA http://www.rocstock.org/
LDRS 26 http://www.ldrs26.org/
Amateur Radio WK6I ~ Calaveras County, CA
See you in the California QSO Party! ~ Oct 7-8 2006 ~ http://www.cqp.org/
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