[600MRG] U3S with T/R relay

Brian, WA1ZMS wa1zms at att.net
Wed Nov 2 14:22:50 CDT 2016


Hans-

Then I for one, like Steve, will be ordering a new IC once you release the update. :-)

73,
-Brian, WA1ZMS & WD2XSH/31 & WI2XLQ
iPhone

> On Nov 2, 2016, at 3:04 PM, Hans Summers <hans.summers at gmail.com> wrote:
> 
> Hi all
> 
> I am the designer of the Ultimate3S kit http://qrp-labs.com/ultimate3/u3s
> and all the QRP Labs kits, and I'm a member here for a while now. Though a
> quiet member ;-)
> 
> Ed - KL7UW - the Ultimate3S is a standalone transmitter kit. You configure
> it with your transmission schedule (frequency, times etc), callsign, and
> locator (or connect a GPS to get that for you, and also discipline
> time/frequency). All it needs is a power supply and an antenna system. It
> is not controlled by WSPR software running on a PC. The RF output is
> typically around a 1/4 watt but varies depending on band; more transistors
> can be fitted to allow higher PA voltage and several watts are then
> possible.
> 
> Steve KK7UV did ask this question on the QRP Labs YahooGroups forum and I
> offered a couple of suggestions - but I think it will be a little tricky to
> set up, as it is now.
> 
> I think John WA3ETD is right... "Hans needs to add code to the WSPR mode to
> assert a PTT signal at the 2 min." - I will try to find codespace to
> squeeze it into the next firmware release, coming soon!
> 
> 73 Hans G0UPL
> http://qrp-labs.com
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