[Kenwood] re filter mods to TS-870S

Thu, 17 Jan 2002 19:09:31 -0000

Fern,

AIP will lower the receive sensitivity by about 10 db, 870S manual page 10.
I found the 10db loss no problem on 30m, 40m, and 80m - works good for me.

Also Menu #11 is for AIP Gain.

73,

Ken, KA0W

----- Original Message -----
From: "Fern Rivard" <[email protected]>
To: <[email protected]>
Sent: Thursday, January 17, 2002 6:38
Subject: [Kenwood] re filter mods to TS-870S

> Have any of you folks changed the 8.83 mhz IF filter and the 455 I F
filter
> in the TS-870S with sharper filters from International Radio or InRad and
> what were you results like? Also, what is the web site for InRad as I
can't
> seem to find it now.
>     Another observation is using the SM-220 monitor scope with the TS-870S
> is that the display on receive incoming signal is very very low if the AIP
> is turned ON on the 870S. I have NOT done any mods to my radio as yet
except
> to replace the main eprom located in the front panel which has made some
> improvement to the DSP especially in the receive mod. Have any of you
users
> noticed that and do you have a fix for it? I contacted Kenwood service
> department in Toronto this morning and they were NOT aware of that
problem.
>     Best of 73's from Fern
>
>
> - - -
>
> Your moderator for this list is:
> Larry Wilson KE1HZ [email protected]
>
> _______________________________________________
> Kenwood mailing list
> [email protected]
> http://mailman.qth.net/mailman/listinfo/kenwood
>
>