Hi Stork: How about the antenna input connector?
Have Fun, Brooke Clarke w/Java http://www.PRC68.com w/o Java http://www.pacificsites.com/~brooke/PRC68COM.shtml http://www.precisionclock.com [EMAIL PROTECTED] wrote: >2-17-07 > >VP Oncore Engineering notes under product specification Characteristics of >receiver architecture has a listing of > >L1 - 1572.42 Mhz. > >Is anyone knowledgable as to the take off point of this frequency on the PCB? > >Thanks, > >Stork > > > >1. Product Specifications >VP ONCORE GPS Receiver Technical Characteristics >Receiver Architecture . 6 (or 8) channel >. L1 - 1575.42 MHz >. C/A code (1.023 MHz chip rate) >. Code plus carrier tracking (carrier aided tracking) >Tracking Capability . 6 (or 8) simultaneous satellite vehicles >Dynamics . Velocity: 1000 knots (515 m/s) > > >>1000 knots at altitudes < 60,000 ft >> >> >. Acceleration: 4g >. Jerk: 5 m/s3 >. Vibration: 7.7G per MIL-STD 810E >Acquisition Time (Time to >First Fix (TTFF) >. 20 sec. typical TTFF (with current almanac, position, time, >and ephemeris) >. 45 sec. typical TTFF (with current almanac, position, and >time) >. 2.5 sec. typical reacquire >Positioning Accuracy . Less than 25 meters, SEP (without SA) >. Less than 100 meters, SEP (with SA) >. DGPS accuracy: 1-5 meters typical >Timing Accuracy (1 Pulse >Per Second, 1PPS) >. 130 ns observed (1σ) with SA on >. In Position-Hold mode, <50 ns observed (1σ) with SA on >Antenna . Active micro-strip patch antenna module >. Powered by receiver module (25 mA @ 5V) >. Passive antenna configuration (see optional features) >Datums . 49 std datums, 2 user defined, default WGS-84 >Output Messages . Latitude, longitude, height, velocity, heading, time, >satellite tracking status (Motorola Binary protocol) >. NMEA-0183 v2.00 (selected formats) available >. Software selectable output rate (continuous or poll) >. Broad list of command/control messages >. TTL interface >Power Requirements . 5 +/- 0.25 Vdc; 50 mV p-p ripple max >"Keep Alive" BATT Power . External 2.5 V to 5.25 V; 15 μA typ, 60 μA >max >. 3V onboard battery; 15 μA typ., 60 μA max. >Power Consumption . 1.1 W @ 5 Vdc >Dimensions . Receiver: 2.00 x 3.25 x 0.64 in. (51 x 83 x 16 mm) >. Active antenna: 4.01d x 0.89 in. high (102 x 22.6 mm) >Weight . Receiver: 1.8 oz (51 g) >. Active antenna module: 4.8 oz (136 g) >Connectors . Data/Power: 10 pin (2x5) unshrouded header on 0,1" >centers >. RF: Right Angle OSX (subminiature snap-on) >Antenna to Receiver >Interconnection >. Single coaxial cable (6 dB max loss at L1; 1574.42 MHz) >Operating Temperature . Receiver module -30°C to + 85°C >Humidity . 95% non-condensing, +30°C to + 60°C >Altitude . 60,000 ft (18 km) >. > 60,000 ft (18 km) for velocities < 1000 knots >Optional Features . 1PPS Timing Output >. Raw measurement data >. Onboard rechargeable lithium battery >. Onboard LNA option for use with passive antenna >DGPS . Differential GPS - standard software feature >. RTCM-104 format (remote input) >. Motorola Custom Format > > > >------------------------------------------------------------------------ > >_______________________________________________ >time-nuts mailing list >time-nuts@febo.com >https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > _______________________________________________ time-nuts mailing list time-nuts@febo.com https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts