[time-nuts] Inexpensive modular gps with 1pps
Chuck Forsberg WA7KGX N2469R
caf at omen.com
Sat Dec 15 08:27:29 UTC 2012
On 12/15/2012 12:19 AM, Hal Murray wrote:
> ghane0 at gmail.com said:
>> You mention "low cost units which require you to add a power connector,
>> etc". Could you recommend any that can be bought online? With RS-232,
> There are two obvious choices. A bit of googling may find more details
> and/or other boards.
> The new favorite is the Sure demo board.
> (The version with the Bluetooth is cheaper than the one without. ??)
> The old standby is the Garmin GPS-18x-LVC. Garmin makes several versions of
> the GPS-18x.
> Be sure to get the LVC version. The others don't have a PPS.
> I got mine from Provantage for roughly $70.
> Setup info:
> The GPS-18 (no x) is the older version. You probably can't find it for sale.
> It's much less sensitive, but gave much better timing over the serial port.
> The GlobalSat MR350P is another option. It comes with a PS2 connector, but
> you can chop that off. Their adapter cable doesn't include the PPS.
> That PPS is only 1 uSec wide which may be too narrow for some/most systems to
> They sell a couple of adapter cables, but none of them support PPS.
> You can stretch the PPS signal with the TAPR FatPPS.
Does this provide 10 MHz or 1pps?
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
More information about the time-nuts