[Hammarlund] Send receive swtich

[Richard Knoppow]

    Another curiosity about the HQ-129 design is that some 
provision for the calibrator was not made. Yours is a very good 
idea.


On 12/5/2019 5:30 PM, JThorusen wrote:
> Greetings to the List:
> 
>     What Richard said.
> 
>     I will add that I replaced the Send-Receive switch on my HQ-129-X with a
> four position rotary switch.   I did this so I could switch in the crystal
> calibrator that I added.   I wanted to control the calibrator easily (not
> hide the switch under the lid) but I also did not want to drill any extra
> holes in the front panel or make any other visible modifications.   In my
> HQ-129, one position to the left of "Send" is send plus calibrator, and one
> position to the right of "Receive" is receive plus calibrator.   Thus the
> switch need only be operated one position from whichever position it
> normally lives in to engage the calibrator (in my case send, since the
> HQ-129 is paired with a Johnson Ranger in a duplicate of my novice station
> from 1962).
> 
> 73,
> Jim T.
> KB6GM
> 
> ----- Original Message -----
> From: <ve4feb at gmx.ca>
> To: "Hammerlund Mailing Lists" <Hammarlund at mailman.qth.net>
> Sent: Thursday, December 05, 2019 13:03
> Subject: [Hammarlund] Send receive swtich
> 
> 
> Hi allNow that my hammarlund has become my main receiver i have some
> curiosity questionsSend/receive swtich - back in the day how did people use
> this? Seems to exist since super pro series so must have been
> useful.RegardsFernan
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-- 
Richard Knoppow
1oldlens1 at ix.netcom.com
WB6KBL