A couple of ham designs, which you can buy, not cheap, but good quality. http://rudius.net/oz2m/ngnb/gps.htm
http://www.jrmiller.demon.co.uk/projects/ministd/frqstd.htm Some more ideas: http://www.g4jnt.com/freqlock.htm 73 David Anderson GM4JJJ > On 21 Aug 2014, at 13:50, Slava Baytalskiy <sla...@nullserv.com> wrote: > > Count me in! > Ever since i got that REF board - i've been looking for that elusive Trimble > unit. > People had told me that eBay is full of them for like $70. > Yeah, right! Maybe 10 years ago... > Now, they're about $200-300 depending on power supply availability, and you > can't even find them... > So, yeah, i want this board to work! > __________________ > Slava (Sal) B, W2RMS > w2...@arrl.net > >> On Aug 20, 2014, at 8:48 AM, John Lawrence via Elecraft >> <elecraft@mailman.qth.net> wrote: >> >> >> >> >> >> >> >> >> >> Bob >> The Trimble Thunderbolt is scarce on the used market and when they appear >> the price is painful. They were designed and manufactured for the BB >> wireless and cellular market when the industry switched from analog to >> digital synchronized cell sites. I was part of that out business. >> >> >> We need a compatible module that will work with the Elecraft products. >> Today there are chips that reduce to complexity and price that would make it >> possible to have a product that will reach the Elecraft user base of >> customers. >> >> >> John, W1QS >> >> >> >> Not that I had a "need" but I did instal the K3EXREF with a Trimble >> Thunderbolt >> GPSDO. So I have the 10MHZ reference available. >> >> I also have no present "need" for the XV144 & XV432 to be locked to that >> external reference. However were a kit available to do it I would purchase >> the >> kit/accessory to do so. >> >> i would like to see it as a product. >> >> 73, >> Bob >> K2TK ex KN2TKR (1956) & K2TKR >> >> >> >> >> >> ______________________________________________________________ >> Elecraft mailing list >> Home: http://mailman.qth.net/mailman/listinfo/elecraft >> Help: http://mailman.qth.net/mmfaq.htm >> Post: mailto:Elecraft@mailman.qth.net >> >> This list hosted by: http://www.qsl.net >> Please help support this email list: http://www.qsl.net/donate.html >> Message delivered to sla...@nullserv.com > > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:Elecraft@mailman.qth.net > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > Message delivered to gm4...@yahoo.co.uk ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
