SA-2040 antenna tuner: What's worst SWR it can tune out?

[Michael E. Rees]

I have a so 40.  Brought it new and have had no problems with it.  It has
tuned well for me.  It doe not have a by-pass switch.

 KD7CVJ
"Have a Great Navy Day"
U.S. Navy, "THE FORCE OF CHOICE."
POW/MIA, You are not forgotten.
Michael Rees HMC(SW) USN(RET)

-----Original Message-----
From: Heathkit Owners and Collectors List [mailto:HEATH at LISTSERV.TEMPE.GOV]
On Behalf Of Robert Myers
Sent: Saturday, April 23, 2005 7:26 PM
To: HEATH at LISTSERV.TEMPE.GOV
Subject: [HEATH-TEMPE] SA-2040 antenna tuner: What's worst SWR it can tune
out?

Hello,

I will be getting an Heathkit SA-2040 antenna tuner.  I'm not too familiar
with it.  I am wondering about its robustness when it comes to handling very
wildly improvised "HF antennas" --- note the quotes :)

I am curious, what is the worst SWR that you can be facing (without the
SA-2040 on the coax line at all) that can be correct to something reasonable
when you introduce the SA-2040 and tune it?  Does anyone know what the worst
SWR the Heathkit SA-2040 can tune out --- to below 2:1, say.  Does this,
"worst curable SWR before attempting any tuning," vary with the band you're
operating on?

[I'm not sure if this particular SA model antenna tuner is the one that does
not (NOT) have a, "bypass-the-tuner coax-switch," to go straight through
like its not even there --- that's why I'm mentioning the procedure as
taking it out of the circuit then introducing it to see what it can do with
the SWR.  BTW, can anyone tell me about the bypass switch, if any?]

Like say, for some reason, you are hooked up to your eves trough, or your
clothes line, or your ladder, or something weird like that (maybe due to an
emergency, or just to experiment) --- I knew a guy that did the eves trough
thing.  He had to.

Thanks,
73
--- Rob
VE3 JQL

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