[Milsurplus] MAB - DAV?

[boeing377 at gmail.com]

I have many years of experience using RDFs and ADFs crewing and later
skippering commercial fishing boats. I’ve shot bearings on USCG and FAA
beacons, AM BCB stations, other boats on 2-3 MHz AM and weak net buoy
beacons operating just near the bottom edge of the 160M ham band. It’s VERY
hard to get useable loop antenna directional nulls on weak signals. DAV and
BC 611 are not great DF targets. Signal is too weak unless you are very
close. Others may hold different opinions but this is my experience.

73
Mark
AF6IM
http://www.arrl.org/files/file/QST/This%20Month%20in%20QST/May2016/GLIFFORT.pdf




On Sat, Nov 25, 2023 at 12:06 PM B. Smith <smithab11 at comcast.net> wrote:

> I've worked with the DAV  quite a bit.  Also worked with Robert  Downs on
> a revised schematic.  My only problem with the DAV is using it for DF - I
> can not get a decent figure 8 pattern. Building a battery box  is a week
> end project.
> k4che
>
>
> On 11/25/2023 11:31 AM, David Stinson wrote:
>
> Is there anyone left who cares about and
> actually works with the WWII MAB / DAV,
> arguably the Marine Corps version of the BC-611?
>
> 73 Dave S.
>
>
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