[1000mp] Filters and IF-mod

Fri, 13 Sep 2002 22:21:42 +0200

Hello Scott,

Inrad filters are great! I have some in my Mark V and still three options to
go... I can highly recommend them.

About the 70 MHz IF mod:

I had the FT-1000MP for about two and a half years. I think that the IF-mod
really is an improvement to take away some IF-noise.

Last year I sold the MP, bought a Mark V and installed the IF-mod into the
new rig. After nine months I de-installed the IF-mod from the Mark V. With
real strong signals I noticed distortion. Remarkable is that I did not
notice this distortion with -all- strong signals, but if present I noticed
it on all HF-bands. I really tried the mod for quiet a while. After I
de-installed the IF-mod I did not notice anymore distortion with strong
signals.

I have read about the measurements, because other Mark V owners noticed some
distortion too. Unfortunately I am not able to do these measurements myself.

I also tried several settings with MENU 9-1 (riF-GAin). With the IF-mod I
set this around 7. Without the mod to 13.
I have IPO on 160, 80 and 40 and used my RF GAIN. Despite these settings I
had a real noticeable distortion with strong signals.

And I think that there is not a irritating IF-noise on the Mark V.

73!
Hans Remeeus.

Ham Radio:
PA1HR

Sites:
www.remeeus.nl
www.qsl.net/pa1hr

e-mail:
[email protected]

----- Original Message -----
From: "Scott Millick" <[email protected]>
To: <[email protected]>
Sent: Wednesday, September 11, 2002 5:53 AM
Subject: [1000mp] (no subject)

> Are the Inrad filters that much better than the Yaesu filters   I was
going
> to put my 1000MP filters in my Mark 5 but was wondering if there would be
> that great of an improvement if I went with the Inrads and left the Yaesu
> in the 1000MP  What about their mod  for $55 that Inrad advertises  does
it
> work
>
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