[1000mp] Inrad roofing mod to Mark V
4x1ad
4x1ad at iarc.org
Sun Jan 30 13:47:01 EST 2005
If I good remember, the S-meter calibration it's little bit "unusual" for
FT-1000MP: 100uV for S-9 with preamp-on and 335uV with preamp-off.
73
Morel
4X1AD
----- Original Message -----
From: <KB9GKC at aol.com>
To: <1000mp at mailman.qth.net>
Sent: Sunday, January 30, 2005 6:56 PM
Subject: Re: [1000mp] Inrad roofing mod to Mark V
>
> In a message dated 1/29/2005 11:38:04 P.M. Central America Standard ,
> augie.hansen at comcast.net writes:
>
> After putting in
> the roofing filter I set it to 14 to maintain S9 for a 50 uV input.
>
>
> Hello All,
>
> I would like to suggest against the setting of 9.1 to get an S9 signal
> with
> 50 uV signal. Think about this for a second, are we calibrating the S
> meter
> or do we want the receiver to have the best weak signal reception?
>
> Instead my thoughts are that the roofing filter should be installed and
> then
> find a weak signal on the air (i.e. S-0) close your eyes and adjust 9-1
> until you get the best reception of the S-0 signal.
>
> The reality is that I don't care what the S meter reads, my goal is not to
> calibrate the S meter but rather to have the most quiet and sensitive
> receiver!
>
> My 2 cents worth,
>
> 73
> Douglas J
> ______________________________________________________________
> 1000mp mailing list
> Home: http://mailman.qth.net/mailman/listinfo/1000mp
> Help: http://mailman.qth.net/mmfaq.html
> Post: mailto:1000mp at mailman.qth.net
>
More information about the 1000mp
mailing list