[Milsurplus] Re:MN 26 ADF?

[BOEING377 at aol.com]

In a message dated 3/21/2005 10:44:26 PM Pacific Standard Time, 
milsurplus-request at mailman.qth.net writes:

> : "J. Forster" <jfor at quik.com>
> Subject: Re: [Milsurplus] LO radiation
> To: Richard Brunner <rbrunner at gis.net>
> Cc: milsurplus <milsurplus at mailman.qth.net>
> Message-ID: <423F3D23.EB85D481 at quik.com>
> Content-Type: text/plain; charset=us-ascii
> 
> Richard Brunner wrote:
> 
> >Further, a guy with experience said you need a decent
> >signal for DF'ing, and he often had trouble getting bearings on 10 Watt
> >beacons more than a few miles away.
> 
> I can vouch for that, especially with ADFs. I had an MN-26 in the ADF
> configuration operating for quite a while and in a poor S/N environment it 
> would
> hunt badly. There really needed to be an 'Integration Time' control  to slow 
> the
> loop response under such conditins.
> 
> With manual systems, it may be very hard to get a reliable null when there 
> is a
> high noise background. Also, the platforms were not exactly electrically 
> quiet.
> 

What gear is added to turn an MN 26 DF into an ADF?

Mark