[Hallicrafters] Dummy antenna for S40 alignment

[Philip Atchley]

Hi "Al the Grouch",

Hey, while many SWLers scoff at it, I've LONG advocated the use of an
antenna tuner for receiving, whether the receiver was old or new!
Especially as I have 4 antennas here and I frequently use one that ISN'T
resonate for a given band as I've often found that antenna had a better
signal/noise ratio for that band/time than a different one cut for the
band did (hope that isn't double talk ;-).  And yes, it does
occasionally make the difference between a barely discernable signal and
one that is actually listenable.

73 de Phil,  KO6BB
982 Different NDB's heard to date.

http://users.mercednet.com/beaconeer/
Merced, Central California, 37.3N  120.48W  CM97sh


----- Original Message ----- 

> hi guys,
>    The main thing you wanta do is set up the rcvr for what impedance
> you
> plan to feed into it.  If the S-40 has no antenna trimmer, then you
> can't
> do any adjusting other than your alignment, e.g. SP-600.  If it does
> you've got some leeway. (don't stop hr)
>    A resonant antenna is resonant on only a very narrow band of
> freqs.,
> whether it has a balanced, open wire feedline, or what. So, elsewhere,
> the
> impedance is gonna be off, sometimes way off.
>    What you really wanta do is use an antenna tuner for your receiver
> if
> you're "band cruising" no matter what antenna you use.  You've either
> gotta tune the antenna system to the rcvr or the rcvr to the ant. sys.
>    I've done it, and demonstrated it to others, with SP-600's.  Any
> wire
> is gonna be a very high, or very low impedance in many places across
> the
> SW bands.  You can hear something then, but if you use a tuner and
> adjust
> it to feed the rcvr in the imp. range it expects, just like "we know"
> we
> hafta do with a transmitter, you'll hr more.  tuner - that's how you
> get
> the best transfer of energy, rcvg or xmtg.
>    that's my story & I'm stickin to it.
> 73,
> Al the grouch
> W8UT


73 de Phil,  KO6BB
982 Different NDB's heard to date.

http://users.mercednet.com/beaconeer/
Merced, Central California, 37.3N  120.48W  CM97sh