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3 GPS180SV Features

3.7.4 AFNOR Standard Format

GPS180SV

Date: 21st June 2017

7

Summary of Contents for GPS180SV

Page 1: ...MANUAL GPS180SV GPS Receiver Eurocard 21st June 2017 Meinberg Radio Clocks GmbH Co KG...

Page 2: ......

Page 3: ...IEEE1344 Code 8 3 7 6 Generated Time Codes 9 3 7 7 Selection of Generated Time Code 10 3 7 8 Outputs 10 3 7 9 Technical Data 10 4 Installation 11 4 1 The Front Panel Layout 11 4 2 RS232 COM0 11 4 3 Mo...

Page 4: ...t Meinberg Funkuhren GmbH Co KG Lange Wand 9 31812 Bad Pyrmont Germany Phone 49 0 52 81 93 09 0 Fax 49 0 52 81 93 09 30 Internet http www meinberg de Mail info meinberg de Date 2014 08 21 GPS180SV Dat...

Page 5: ...ites together with several active spares in six orbital planes 20000 km over ground provides a minimum of four satellites to be in view 24 hours a day at every point of the globe Four satellites need...

Page 6: ...r of GPS180 generates pulses once per second P_SEC and once per minute P_MIN Additionally master frequencies of 10 MHz 1 MHz and 100 kHz are derived from the OCXO All the pulses are available with TTL...

Page 7: ...transmitter installed in Mainflingen near Frank furt Germany transmits the reference time of the Federal Republic of Germany time of day date of month and day of week in BCD coded second pulses Once...

Page 8: ...mentation Group IRIG in the early 60 s Except these IRIG Time Codes other formats like NASA36 XR3 or 2137 are still in use The board GPS180 however generates the IRIG B AFNOR NFS 87 500 code as well a...

Page 9: ...3 7 3 IRIG Standard Format 6 Date 21st June 2017 GPS180SV...

Page 10: ...3 GPS180SV Features 3 7 4 AFNOR Standard Format GPS180SV Date 21st June 2017 7...

Page 11: ...aylight saving time 64 Timezone Offset Sign sign of TZ offset 0 1 65 TZ Offset binary encoded 1 66 TZ Offset binary encoded 2 Offset from IRIG time to UTC time 67 TZ Offset binary encoded 4 Encoded IR...

Page 12: ...sine wave signal 1 kHz carrier frequency BCD time of year Year g B007 100 pps DCLS Signal no carrier BCD time of year Year SBS time of day h B127 100 pps AM sine wave signal 1 kHz carrier frequency B...

Page 13: ...purposes the output of TFOM in IEEE1344 mode can be disabled The segment is set to all zeros then 3 7 8 Outputs The module GPS180 provides modulated AM and unmodulated DCLS outputs The format of the t...

Page 14: ...g complete Ant LED red no synchronization resp no antenna connected or short circuit on the antenna line green antenna connected and clock is synchronized Fail LED red no synchronization 4 2 RS232 COM...

Page 15: ...rd RG58 coaxial cable should be used to connect the antenna downconverter unit to the receiver The maximum length of cable between antenna and receiver depends on the attenuation factor of the coaxial...

Page 16: ...ounting bracket Normally you connect the antenna converter directly with the antenna cable to the system GPS Antenna free view to the sky Cable Slot N Norm female N Norm male N Norm male N Norm female...

Page 17: ...tolerances If the receiver position has changed by some hundred kilometers since last operation the satellites real elevation and doppler might not match those values expected by the receiver thus for...

Page 18: ...years If the need arises to replace the battery following should be noted ATTENTION Danger of explosion in case of inadequate replacement of the lithium battery Only identical batteries or bat teries...

Page 19: ...ter synchronization and 20 minutes of operation of Pulses TCXO OCXO LQ better than 100 nsec OCXO SQ MQ HQ better than 50 nsec OCXO DHQ Rubidium better than 50 nsec better than 2 sec during the first 2...

Page 20: ...2 7O1 7O2 8E1 8N1 8N2 8O1 default setting COM0 19200 8N1 Meinberg Standard time string per second COM1 9600 8N1 Capture string automatically Time Code Outputs Unbalanced modulated sine wave signal 3Vp...

Page 21: ...8 0 2Hz Note1 5 10 9 50mHz Note1 1 5 10 9 15mHz Note1 5 10 10 5mHz Note1 1 10 10 1mHz Note1 2 10 11 0 2mHz Note1 accuracy free run 1 year 1 10 6 10Hz Note1 4 10 7 4Hz Note1 2 10 7 2Hz Note1 1 10 7 1Hz...

Page 22: ...R 4 M O C 5 1 n i D x R 2 M O C 0 D I _ d r a o B A D S 6 1 t u o D x T 2 M O C 1 D I _ d r a o B 5 7 P d e v r e s e r 7 1 n i D x R 3 M O C 2 D I _ d r a o B t u o K R A M _ F C D 8 1 t u o D x T 3...

Page 23: ...Bandwith 9 MHz Converter local oscillator to converter frequency 10 MHz first IF frequency 35 4 MHz Power Requirements 12V 18V 100mA provided via antenna cable Connector N Type female Ambient Temperat...

Page 24: ...red in the same way as the PCs comport You can enforce an access if the receiver serial port is not configured with appropriate parameters for commu nication Select the menu item Enforce Connection in...

Page 25: ...ing the menu item Help in menu Help In every program window a direct access to a related help topic can be obtained by pressing F1 The help language can be selected by clicking the menu items German E...

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