[hpsdr] GIBRALTAR question.

peter at gehughes.us peter at gehughes.us
Thu Jul 6 14:57:01 PDT 2006


Rick,

Since I am not sure if it ever got past the suggestion part
I'd like to see an external input on GIBRALTAR for 1PPS and 10 MHZ.
AND will there be room to mount alternate GPS receivers like the
Motorola ONCORE (left over from TAC)?
And finally does the presence of an onboard GPS imply the presence of an
antenna jack?

Thanks,
Peter Hughes
N7BMG
> -------- Original Message --------
> Subject: Re: [hpsdr] CASMIR design coming out tomorrow and GIBRALTAR
> LOgeneration question.
> From: "Rick Hambly (W2GPS)" <w2gps at cnssys.com>
> Date: Thu, July 06, 2006 4:51 pm
> To: "'Alex'" <harvilchuck at yahoo.com>
> Cc: hpsdr at hpsdr.org
> 
> ***** High Performance Software Defined Radio Discussion List *****
> 
> Alex,
> 
> My initial plan is to provide only 10MHz and 1pps outputs from GIBRALTAR.
> They would be 50 Ohm outputs on SMA connectors. The number of such outputs
> is TBD.
> 
> I have much of the initial design done. I have been delayed by a trip to San
> Diego for the AMSAT Digital Transponder Design Meeting and the Naval
> Academy's MidStar-1 satellite that I am also working on.
> 
> Rick
> W2GPS
> AMSAT LM2232
>  
> 
> -----Original Message-----
> From: hpsdr-bounces at hpsdr.org [mailto:hpsdr-bounces at hpsdr.org] On Behalf Of
> Alex
> Sent: Tuesday, July 04, 2006 8:48 PM
> To: hpsdr at hpsdr.org
> Subject: [hpsdr] CASMIR design coming out tomorrow and GIBRALTAR
> LOgeneration question.
> 
> ***** High Performance Software Defined Radio Discussion List *****
> 
> I'll have a low-level design out on CASMIR tomorrow. It's a KISS design
> based off of JANUS with a few cheeky twists. 
> I had been trying for something elegant, but the idea didn't pan out. Oh
> well.
> 
> Still looking for the answer on LO distribution from GIBRALTAR. I'm not
> putting a LO on CASMIR, so I need the LO from GIBRALTAR (or elsewhere). 
> Will LO distribution be differential or single ended LVDS? 
> 
> Alex, N3NP
> 
> 
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