This sounds the same, and I made it to protect the front end of each
radio by switching the radio not being tested to my dummy load in case
one of the radios should transmit. I intended my switch for receive
comparisons. I am surprised the commercial switches can handle a
kilowatt and provide
: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of
Richard Fjeld
Sent: Monday, January 02, 2017 1:13 AM
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] {OT} - Variation on use of a coaxial switch (stan
levandowski)
Years ago, I built such a switch to prevent accidents should one radi
Years ago, I built such a switch to prevent accidents should one radio
transmit when comparing two radios. It is basically an a/b switch such
that a radio became the active radio by switching the antenna to it, and
simultaneously switching the dummy load to the inactive radio. Neither
radio is
From: stan levandowski
To: elecraft@mailman.qth.net
Sent: Sunday, January 1, 2017 6:01 PM
Subject: Re: [Elecraft] {OT} - Variation on use of a coaxial switch (stan
levandowski)
Gosh, everybody, I didn't mean to create any controversy. FYI, I
already have a high quality (??) Alpha De
> Sent: Sunday, January 1, 2017 1:41 PM
> To: j...@audiosystemsgroup.com; elecraft@mailman.qth.net
> Subject: Re: [Elecraft] {OT} - Variation on use of a coaxial switch
> (stan
> levandowski)
>
> Jim,
>
> Indeed, and an observation I too had made (you'll note I didn'
escribed by
Dale.
John (XLX)
-Original Message-
From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of
Jim
Brown
Sent: 01 January 2017 19:32
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] {OT} - Variation on use of a coaxial switch
(stan
levandowski)
The isolation pro
John
Sent: Sunday, January 1, 2017 1:41 PM
To: j...@audiosystemsgroup.com; elecraft@mailman.qth.net
Subject: Re: [Elecraft] {OT} - Variation on use of a coaxial switch (stan
levandowski)
Jim,
Indeed, and an observation I too had made (you'll note I didn't say it's 'in
service&#
lecraft-boun...@mailman.qth.net] On Behalf Of Jim
Brown
Sent: 01 January 2017 19:32
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] {OT} - Variation on use of a coaxial switch (stan
levandowski)
The isolation provided by this switch will be really poor. In addition to
the capacitive coupling o
mailman.qth.net
Subject: Re: [Elecraft] {OT} - Variation on use of a coaxial switch (stan
levandowski)
Stan,
I haven't taken the time to read all the other responses, but have you
considered building your own coax switch.
Parts: 1 aluminum box, 4 SO-239's, 1 two-pole, multi-position rotar
John (XLX)
-Original Message-
From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Dale
Martin
Sent: 01 January 2017 17:31
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] {OT} - Variation on use of a coaxial switch (stan
levandowski)
Stan,
I haven't taken the time to rea
Stan,
I haven't taken the time to read all the other responses, but have you
considered building your own coax switch.
Parts: 1 aluminum box, 4 SO-239's, 1 two-pole, multi-position rotary switch
(you only need 2 positions, but more is okay), 100w dummy load
Mount the SO-239's (J1-J4) and rotary
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