[Elecraft] Any EME gurus with the XV-144 monitoring?
Charlie , W5COV
cvest at cox.net
Tue Mar 25 20:07:17 EDT 2014
I too would like to see more information, especially on how minimal this
station can be and still be able to work a decent amount of contacts.
Many years ago, before the current digital modes, and better, more
precise equipment was being used, I made a handful of EME 2 meter
contacts with a 4 long boom yagi station, using a home brew 500 watt
amplifier.
Not really enough interest these days or enough of a budget to duplicate
that setup, but still have an interest in it .
Charlie, W5COV
On 3/25/2014 6:30 PM, John Lawrence wrote:
> Colin
>
>
> Thank you. I plan to add the OCXO option. A phase lock loop with
> a common reference might be needed to stay within 3 or 4 Hz.
>
>
> I know some are using a Trimble Thunderbolt disciplined reference but it would be
> interesting to know how the configuration.
>
>
>
> I'm looking for EME ops who can fill me in on their configuration with the XV-144 and K3.
>
>
> 73,
>
>
>
> John, W1QS
>
>
>
> -----Original Message-----
> From: Colin Haig (VE3MSC) <ve3msc at cogeco.ca>
> To: 'John Lawrence' <j123law at aol.com>; elecraft <elecraft at mailman.qth.net>
> Sent: Tue, Mar 25, 2014 2:16 pm
> Subject: RE: [Elecraft] Any EME gurus with the XV-144 monitoring?
>
>
> John - Get the OCXO for $49 for the XV. It helps a lot. Mine is always
> powered (heated), and also, I used real heatsink goo between the PA module
> in the XV and the case bottom, as the thin sheet of conductive stuff didn't
> work well.
> I've thought about some kind of PLL, but wondering what folks have cooked up
> for that.
> Colin VE3MSC
>
>
> -----Original Message-----
> From: elecraft-bounces at mailman.qth.net
> [mailto:elecraft-bounces at mailman.qth.net] On Behalf Of John Lawrence
> Sent: March 25, 2014 11:44 AM
> To: elecraft at mailman.qth.net
> Subject: [Elecraft] Any EME gurus with the XV-144 monitoring?
>
> I'm laying out and gather up the parts needed to use of a XV-144 with my K3
> for EME applications.
>
>
> Since my aim is towards JT65, is there anyone on the Reflector who's done it
> and found need to do a modification to the local oscillator in the XV-144 to
> enhance the frequency stability? The K3 has the TXCO option. The 10 MHz
> reference using a GPS reference seems necessary but I hope a GPS discipline
> is kill.
>
>
> The output linearity on transmit should be ok but I'll be needing to have an
> IPA plus PA chain without IMD growth as well and I'd like to know how the
> EME boys are dealing with this side of their configurations.
>
>
> Thanks, John, W1QS
>
>
> John
>
>
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