Coax Switching

[Dick KF4NS]

One thing that was not mentioned here but would help considerably is, in 
addition to the level  of  isolation, tune the unused radios to  another 
band or at least detune them (if  boatanchors) or select the opposite end of 
the band.

73, Dick KF4NS
St Petersburg, FL 33714
Keep The Glow!

> -----Original Message-----
> From: Heathkit Owners and Collectors List
> [mailto:HEATH at LISTSERV.TEMPE.GOV]On Behalf Of Bernie Arcand
> Sent: Saturday, January 06, 2007 5:20 PM
> To: HEATH at LISTSERV.TEMPE.GOV
> Subject: Coax Switching
>
>
> Hi guys...
> I have a Heathkit Coax switch that I built decades ago, and now
> that I have two rigs, I have the output of both of these rigs
> into the switch, with the common port the output to the
> tuner/antenna.  Question:  Is there a possibility or potential or
> likelyhood that by transmitting on one radio, that I can damage
> the receive on the other radio when it is turned off?  Would I
> decrease the likelyhood of damage if I turn on the RF attenuator
> on the unused rig before I turn it off?  I realize the safest way
> is to disconnect the coax and terminate it into a 50 ohm
> load...but don't want to do that.  Simply want to switch between rigs.
>
> I don't know if I was just used to the dimished receive
> capability ion my Kenwood TS830S and didn't realize it until I
> compared it to the Kenwood TS-430S, which is super hot!
>
> Just wondering what your opinions are...any and all...but rest
> assured, I'm not trading my Kenwoods for a /\/\.
>
> Bernie in ND
> WD0GMD
Joseph Hurd, AF6G

jehurd at darrcam.com

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