Spectracom 8183 Netclock Gps Disciplined 10mhz Oscillator Atomic Clock Irig-b

US $250

  • Fairfax, Virginia, United States
  • Jan 29th
Spectracom 8183 Netclock GPS Satellite Atomic Clock Receiver 10MHz IRIG-B 1PPS Includes Antenna and 120V Power Supply Photos show the actual item for sale Description The Spectracom NetClock/GPS Master Clock is a precise, traceable time provider. The NetClock/GPS receives and recovers time information from the Global Positioning System (GPS) constellation of satellites. The GPS constellation consists of 24 satellites placed in 6 orbital planes spaced equally around the equator and inclined at a 55-degree angle. This design assures reliable worldwide coverage 24 hours a day. Each satellite contains a redundant system of highly accurate and stable atomic clock sources. The satellite’s timing, orbital position and other system parameters are monitored and controlled by ground stations maintained by the US Department of Defense and US Naval Observatory. The NetClock/GPS Master Clock provides timing outputs accurate to within 100 microseconds of UTC. Standard Master Clock outputs include RS-232, RS-485, IRIG B/E and a one pulse per second. The NetClock/GPS is ideally suited as a Master Clock in all applications requiring an accurate and traceable time source. Typical applications include computer network timing, utility billing, financial transactions, public safety and transportation The clock comes with everything you need to receive accurate time from the GPS system. I am including a mag-mount antenna, and a power supply to get you started. A copy of the manual is not included, however this may be downloaded if needed. I placed the antenna and receiver outdoors (so that the antenna would have a full view of the sky) achieved time sync within a few minutes.  I also tested with a professional grade outdoor antenna - the results of those tests are shown in the log files reproduced at the end of the listing. The basic indoor antenna is included to allow you to test it straight out of the box, but for a permanent installation an outdoor antenna with a full view of the sky is recommended.  I usually have some suitable antennae listed, and a suitable downlead can be obtained from a cable fabricator.  I have some related hardware also listed on eBay. The unit's home timezone and other parameters can easily be changed by using Windows Hyperterminal via the serial management port (serial cable not included). You will therefore need a computer with a serial port and appropriate cable if you want to change the unit's configuration. This is a very capable piece of equipment and you can find all functionality documented in the user manual. The included power supply is rated at 12V @1A and accepts 120V AC input. Alternatively, a generic power supply conforming to the spec below may be used instead (note the unusual polarity on the barrel connector): DC Input: 12 to 36 VDC, 20 Watts. Connector: Barrel, 5.5mm O.D., 2.1mm I. D. Polarity: Positive shell, negative center.   STAT TIME= 11:14:59 DATE= 2014-07-10 TIME SYNC STATUS= OK   GPS LOCK STATUS= OK GPS SIGNAL= QUALIFIED OSCILLATOR STATUS= LOCKED EVENT RELAY        = OFF ALARM RELAYS: MAJOR= OFF  MINOR= OFF ACTIVE ALARMS: NONE   TIME= 15:49:46 DATE= 2014-07-09 STATUS CHANGE EVENT RELAY       = OFF ALARM RELAYS: MAJOR= ON  MINOR= ON ACTIVE ALARMS: MAJOR AND MINOR IN TEST MODE   TIME= 15:51:23 DATE= 2014-07-09 STATUS CHANGE EVENT RELAY       = OFF ALARM RELAYS: MAJOR= ON  MINOR= ON ACTIVE ALARMS: NONE   TIME= 15:53:04 DATE= 2014-07-09 STATUS CHANGE EVENT RELAY       = OFF ALARM RELAYS: MAJOR= ON  MINOR= OFF ACTIVE ALARMS: NONE   TIME= 15:58:12 DATE= 2014-07-09 STATUS CHANGE EVENT RELAY       = OFF ALARM RELAYS: MAJOR= ON  MINOR= OFF ACTIVE ALARMS: MAJOR FREQUENCY   TIME= 16:03:51 DATE= 2014-07-09 STATUS CHANGE EVENT RELAY       = OFF ALARM RELAYS: MAJOR= ON  MINOR= OFF ACTIVE ALARMS: MAJOR FREQUENCY   TIME= 16:08:55 DATE= 2014-07-09 STATUS CHANGE EVENT RELAY       = OFF ALARM RELAYS: MAJOR= OFF MINOR= OFF ACTIVE ALARMS: NONE END OF LOG DOL SPECTRACOM CORPORATION NETCLOCK GPS SOFTWARE VERSION 2.03 DATE: SEPTEMBER 07, 1999 11:22:02 UNIT STARTED 15:53:04 2014-07-09 FRONT PANEL VERSION 1.01 IRIG VERSION 1.01 SERIAL PORT 1 VERSION 1.01 SERIAL PORT 2 VERSION 1.01 REMOTE PORT 1 VERSION 1.01 REMOTE PORT 2 VERSION 1.01 GPS RECEIVER = 8 CHANNEL GT VERSION 2   TIME= 10:44:07 DATE= 2014-07-10 D/A= 5114 FREQ ERROR= -1.00E-09 FREQ CNT= 999,999,999   TIME= 10:45:49 DATE= 2014-07-10 D/A= 5114 FREQ ERROR= +0.00E-09 FREQ CNT= 1,000,000,000   TIME= 10:47:31 DATE= 2014-07-10 D/A= 5114 FREQ ERROR= -2.00E-09 FREQ CNT= 999,999,998   TIME= 10:47:31 DATE= 2014-07-10 AUTOMATIC D/A ADJUSTMENT MATCH CNT= 00220 FREQ ADJ CNT= 00203 AVG FREQUENCY ERROR= -1.00E-09 NEW D/A= 5116   TIME= 10:49:13 DATE= 2014-07-10 D/A= 5116 FREQ ERROR= -6.00E-09 FREQ CNT= 999,999,994   TIME= 10:50:55 DATE= 2014-07-10 D/A= 5116 FREQ ERROR= +2.00E-09 FREQ CNT= 1,000,000,002   TIME= 10:52:37 DATE= 2014-07-10 D/A= 5116 FREQ ERROR= -9.00E-09 FREQ CNT= 999,999,991   TIME= 10:52:37 DATE= 2014-07-10 AUTOMATIC D/A ADJUSTMENT MATCH CNT= 00221 FREQ ADJ CNT= 00204 AVG FREQUENCY ERROR= -4.00E-09 NEW D/A= 511F   TIME= 10:54:19 DATE= 2014-07-10 D/A= 511F FREQ ERROR= +8.00E-09 FREQ CNT= 1,000,000,008   TIME= 10:56:01 DATE= 2014-07-10 D/A= 511F FREQ ERROR= +4.00E-09 FREQ CNT= 1,000,000,004   TIME= 10:57:43 DATE= 2014-07-10 D/A= 511F FREQ ERROR= -1.00E-09 FREQ CNT= 999,999,999   TIME= 10:57:43 DATE= 2014-07-10 AUTOMATIC D/A ADJUSTMENT MATCH CNT= 00222 FREQ ADJ CNT= 00205 AVG FREQUENCY ERROR= +4.00E-09 NEW D/A= 5116   TIME= 10:59:25 DATE= 2014-07-10 D/A= 5116 FREQ ERROR= -2.00E-09 FREQ CNT= 999,999,998   TIME= 11:01:07 DATE= 2014-07-10 D/A= 5116 FREQ ERROR= -1.00E-09 FREQ CNT= 999,999,999   TIME= 11:02:49 DATE= 2014-07-10 D/A= 5116 FREQ ERROR= -6.00E-09 FREQ CNT= 999,999,994   TIME= 11:02:49 DATE= 2014-07-10 AUTOMATIC D/A ADJUSTMENT MATCH CNT= 00223 FREQ ADJ CNT= 00206 AVG FREQUENCY ERROR= -3.00E-09 NEW D/A= 511D   TIME= 11:04:31 DATE= 2014-07-10 D/A= 511D FREQ ERROR= +9.00E-09 FREQ CNT= 1,000,000,009   TIME= 11:06:13 DATE= 2014-07-10 D/A= 511D FREQ ERROR= +6.00E-09 FREQ CNT= 1,000,000,006   TIME= 11:07:55 DATE= 2014-07-10 D/A= 511D FREQ ERROR= +1.40E-08 FREQ CNT= 1,000,000,014   TIME= 11:07:55 DATE= 2014-07-10 AUTOMATIC D/A ADJUSTMENT MATCH CNT= 00224 FREQ ADJ CNT= 00207 AVG FREQUENCY ERROR= +1.00E-08 NEW D/A= 5107   TIME= 11:09:37 DATE= 2014-07-10 D/A= 5107 FREQ ERROR= -3.00E-09 FREQ CNT= 999,999,997   TIME= 11:11:19 DATE= 2014-07-10 D/A= 5107 FREQ ERROR= -5.00E-09 FREQ CNT= 999,999,995   TIME= 11:13:01 DATE= 2014-07-10 D/A= 5107 FREQ ERROR= -9.00E-09 FREQ CNT= 999,999,991   TIME= 11:13:01 DATE= 2014-07-10 AUTOMATIC D/A ADJUSTMENT MATCH CNT= 00225 FREQ ADJ CNT= 00208 AVG FREQUENCY ERROR= -6.00E-09 NEW D/A= 5114   TIME= 11:14:43 DATE= 2014-07-10 D/A= 5114 FREQ ERROR= +0.00E-09 FREQ CNT= 1,000,000,000   END OF LOG   GSS TRACKING 5 SATELLITES GPS STATE= 3D-FIX    DOP= 04.5 LATITUDE= N 37 54 04.232 LONGITUDE= W 077 24 00.439 HEIGHT= +00099.99 METERS QUALITY= PASSED CHAN VID MODE STREN STAT  01  20   00   000   00  02  12   00   000   20  03  01   00   000   00  04  14   08   050   A2  05  22   08   046   A2  06  25   08   046   A2  07  32   08   032   A2  08  31   08   050   A2   Powered by eBay Turbo Lister The free listing tool. 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Condition Used :
An item that has been used previously. The item may have some signs of cosmetic wear, but is fully operational and functions as intended. This item may be a floor model or store return that has been used. See the seller’s listing for full details and description of any imperfections.
Seller Notes Used, in good condition and fully working. The photos show the actual item for sale. No unpictured cables, accessories or documents are included.

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