Hello Markus,
Thanks to you and all who have replied so far. I have a thought. My
TS-590S has this GPS locked LO fitted, would this allow me to use the
590 for Ebnaut RX ? The kit is now no longer available so hopefully it will
continue to function well...
http://www.vk3hz.net/XRef/XRef_Home.html
Wednesday, December 19, 2018, 12:26:29 AM, you wrote:
> Hi Chris,
> Kiwi-SDR: Last year I asked the same question to John Seamons, and
> he explained that the GPS frequency correction is done in software,
> and won't actually lock the LO phase to GPS.
> RSP2: It seems possible to replace the TXCO by an external 24 MHz
> reference. But the difficulty with the digital output is that you
> need to be sure that buffer over/underruns never occur in the
> subsequent audio processing. With an analog receiver, SpecLab can
> correct glitches when you feed a 1pps time reference to the other
> soundcard channel. Unfortunately you can't do that with an all-digital audio
> path.
> 73, Markus
> -----Ursprüngliche Mitteilung-----
> Von: Chris Wilson <[email protected]>
> An: [email protected] <[email protected]>;
> [email protected] <[email protected]>; Discussion of the
> Lowfer (US, European, & UK) and MedFer bands <[email protected]>
> Verschickt: Di, 18. Dez 2018 23:54
> Betreff: LF: Ebnaut receiver frequency stability qustion
> Hello Ebnauters
> Would a KiwiSDR (which I do not own but was thinking of buying) have
> adequate LF frequency stability for Ebnaut reception given it uses
> 1PPS from a GPS receiver to stabilize the frequency? Or do I need a
> receiver with a true GPS trained reference input? I see only one
> cheaper price end RX with such a port, the SDRPlay RSP2, but that
> expects a 24 MHz reference input rather than the common 10 MHz. I
> have a Trimble Thunderbolt for a 10 MHz reference, but nothing that
> could give 24 MHz.
> What commercial SDR's could I look to for suitable stability please,
> that are good on LF and below, and a reasonable cost? Thanks 2E0ILY
--
Best regards,
Chris mailto:[email protected]
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