[time-nuts] Softpal VLF software?

WB6BNQ wb6bnq at cox.net
Thu May 19 01:17:58 EDT 2011


Chris,

Why not compare against a GPS timing receiver ?

That would, presumably, remove path variations and diurnal shifts at the WWVB
frequency.  Any reasonable house standard (<10e-9) would far exceed the
variations seen at 5/10/15/20 MHz.

Bill....WB6BNQ


Chris Albertson wrote:

> Google found this
> http://www.lfsoftpal.com/
> it was everything but the software.
>
> I had the idea too that I could monitor some stable LF and HF
> transmitters and use that to infer what the ionosphere is doing.  Plan
> to use WWV and WWVB and compare the time I get from them to "true"
> UTC.  I assume any difference and jitter  is because of patch length.
> I've slowly getting the parts together
>
> On Wed, May 18, 2011 at 8:39 PM, Chuck Forsberg WA7KGX N2469R
> <caf at omen.com> wrote:
> > Does anyone know if the lsoftpal softpal package is
> > available?  This is a VLF receiving program that uses
> > a sound card and 1PPS to record signal strength AND
> > phase shift in VLF signals.
> >
> > --
> > Chuck Forsberg WA7KGX N2469R     caf at omen.com   www.omen.com
> > Developer of Industrial ZMODEM(Tm) for Embedded Applications
> >  Omen Technology Inc      "The High Reliability Software"
> > 10255 NW Old Cornelius Pass Portland OR 97231   503-614-0430
> >
> >
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>
> --
> =====
> Chris Albertson
> Redondo Beach, California
>
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