Message-ID: <3C989FE3.EAA99000@snet.net>
Date: Wed, 20 Mar 2002 09:42:43 -0500
From: "Jay Rusgrove" <advancedreceiver@snet.net>
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To: rsgb_lf_group@blacksheep.org
Subject: Re: LF: Soundcard Mods
References: <7D653C9C42F5D411A27C00508BF8803DCB9A18@pdw-mail-r1.dstl.gov.uk>
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Andy

I would be interested in your findings on locking the sound card to a master
reference. All of the receiving and transmitting stuff here is tied to GPS so the
sound card is the weak link in the system.

Jay Rusgrove, W1VD

Talbot Andrew wrote:

> Thanks for all your responses on Soundcard mods.  There seem to be so many
> variations, the easist way, the route we'll probably follow, is to get a
> separate data collection card rather than trying to bodge an S/B.  Possibly
> the National Instruments one as their products have been used before here.
> Unfortunately, it does mean new software will have to be written rather than
> being able to call on the old Soundcard stuff.........
>
> However, will look at my PCI bus true Soundblaster compatible at home and
> see how easy it would be to modify for external clock.  It would be nice to
> be able to lock that to the master reference and have an exact 8000 or 11025
> Hz sampling rate.
>
> Andy  G4JNT
>
> --
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