[RFI] What antennas are good for HF DFing?

Jim P jvpoll at dallas.net
Mon Feb 14 11:57:47 EST 2005


Turns out one of these Sears Model 2278 4-band
AM/SW/FM "portables" that I described is currently
listed on eBay:

http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&category=15051&item=5751745814
&rd=1


Note: That battery compartment hold four "D" cells.

I also have the original manual (not of much use) and
the Sears service 'doc' (schematic, dial cord diagram
and parts location) that originally accompanied these
radios - for a reasonable copy fee I would share these
with anyone on the list.

The Model 2278 was made by Sanyo for Sears.

Full disclosure: I bought a second one of these Sears
receivers last year as a backup, so I've got all I need!

Jim P  /  WB5WPA  /


>
>
> I have had EXCELLENT results using an old Sears
> Model 2278 4-band AM/SW/FM "portable" to do
>
> This particular receiver utilizes a good-sized ferrite
> rod as the antenna on MW and SW 1 (2 - 6 MHz).
> When tuning for a 'noise source' definite variances
> in signal strengths can be found for most noise
> sources - using a broad-band tunable receiver one
> almost has a portable, battery-operated spectrum
> analyzer (albeit an un-cal'd analyzer) at one's
> disposal!
>
> The uppper band (SW 2, 6 - 18 MHz) seems to use
> the whip antenna only, and I have not found that I
> can do 'DFing' on this band using any exhibited
> directionality.
>



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