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

[john]

It takes about 10 minutes and a soldering iron, to turn one of the antenna 
selection switch positions into the bypass position. Works FB!

John K5MO


At 03:15 PM 4/24/2005, Michael E. Rees wrote:
>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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