[1000mp] Roofing filter

[Tony (N2KI)]

Mine (9-1) is at 12 with the roofing filter and the meter readings are the
same.  I think you will generally find different readings from radio to
radio.  The important thing is that the meter reading are similar.

Tony - N2KI
SYSOP - N2KI DX CLUSTER
dxc.n2ki.com:7300
RF Gateway 145.650
Website: www.n2ki.com
DX Spoken Here


> -----Original Message-----
> From: 1000mp-bounces at mailman.qth.net [mailto:1000mp-
> bounces at mailman.qth.net] On Behalf Of Steven J Fraasch
> Sent: June 04, 2005 15:51
> To: 1000mp at mailman.qth.net
> Subject: Re: [1000mp] Roofing filter
> 
> Mike:
> 
> I think you'll need to decrease gain, at least that is what a few of us
> did.  The INRAD instruction advices leaving it alone (if the 70 MHz mod
> was not done before), but my roofing filter added about 6 dB of gain;
> therefore I reduced it.  I believe my menu 9-1 setting is "9".  Tim, K3LR
> recommended setting it so that the S meter is the same as that of the sub
> receiver.
> 
> My stock radio came with 9-1 set to "13," I believe with the roofing
> filter the front-end gain will be too high, and you will sustain loss in
> IP34 and blocking dynamic range.  I usually operate my MK V in the IPO
> position anyways; therefore, the extra gain would be unwanted.
> 
> 
> 
> On Sat, 04 Jun 2005 09:21:47 -0500 Mike Kasrich <aj9c at indy.rr.com>
> writes:
> > I read a message this morning  and was wondering if I read it
> > correctly.  Ive installed the roofing filter.  The instructions say
> > to
> > increase the value of 9-1  2 notches.  Did I read correctly the
> > value is
> > supposed to be decreased?  I increased the value till the s meter
> > between the sub rx and main read approx equal.
> >
> > mike/aj9c
> >
> > ______________________________________________________________
> > 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
> >
> >
> ______________________________________________________________
> 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