TECHNICAL MONTHLY REPORT EARTH STATION JANUARY, 2010 BADRINATH VALLEY OF FLOWERS KEDARNATH FOREST RESEARCH INSTITUTE CLOCK TOWER HARDWAR INDIAN MILITARY ACADEMY GANGOTRI HEMKUND SAHIB YAMNOTRI DOORDARSHAN KENDRA DEHRA DUN
Monthly Report, for the month of January, 2010 respect of Earth Station/DSNG : DOORDARSHAN KENDRA : DEHRADUN. Telephone No. Office Residence Mobile Superintending Engineer (Name) - - - Station Engineer (Studio) 2789060 2781745 9412438456 Station Engineer (Earth Station) 2789060 2781745 9412438456 Station Engineer (Transmitter) 2789060 2781745 9412438456 E-mail :ddkddun@rediffmail.com 1. Satellite Parameters S. No. 1. Name of Kendra DDK,DEHRADUN MCPC /SCPC SCPC Satellite/ Transponder INSAT-4B-C2 Uplink Freq.(MHz) Polarization Downlink Freq.(MHz) Polarization FEC Sym. 5975 V 3750 H 3/4 4.25 6 BW (MHz ) 2. Service Information Name of service Regional Service News Feeds Service ID Vid eo bit rate 4.8 Mb ps 4.8 Mb ps Audio- 1 bit rate Audio 2 bit rate Chroma Format Video Audio 1 Audio 2 EC M 4:2:0 512 650 651 - - 4:2:0 512 650 651 - - Scram bling Type
Monthly Progressive Total 3. Programme Hours (Regional Service) Break Down Scheduled Other Radiated Test Total Programme Programme O/C Gear Total Programme Hrs Working A B C D=A+B-C E D+E 37.77 NIL NIL NIL NIL 37.77 16.49 57.26 392.18 NIL NIL NIL NIL 392.18 181.50 576.68 4. Programme Hours (News Feeds) Break Down Scheduled Other Radiated Test Total Programme Programme Power Gear Total Programme Hrs Programme A B C D=A+B-C E D+E Monthly 00.78 -. - - - 00.78 03.00 02.78 Progressive Total 02.77 - - - - 02.77 21.65 23.10 5. Special Feed /Hot Switching Date Name of Kendra Duration Remark - - - -
HPA TWT/ Klystron in Ckt. Filament Voltage Filament 6. HPA Working Hours HPA TWT/ Klystron in Ckt. Month Previous Total Progressive Total (Sr.No.) (Sr.No.) (Hours) (Hours) (Hours) 6737 7979 6737 7979 518 568 CPI(on loan from DDK,Jalandhar 2016429 50 Defective(sent to banglore for repair 7. HPA Working Status Beam Voltage Beam Body Output Power Uplink EIRP Sr.N. Sr.No V Amp K.V. Amps ma Watts DB 6737 6737 6.3V 2.0mA 11.3KV - - 80W 64.87 7979 7979 7 100 107 E-b/No (db) 8. Measurements (on Every 8 th, 15 th, 22 nd and 29 th ) On 8 th On 15 th On 22 nd On 29 th BER E-b/No BER E-b/No BER E-b/No (Viterbi) (db) (Viterbi) (db) (Viterbi) (db) BER (Viterbi) 11.76 10 E-5 11.76 10 E-5 11.76 10 E-5 11.76 10 E-5 9. Breakdown Details (A detailed sheet may be attached if necessary) Date From To Duration Cause - - - - - 10. Detail of Main Equipments available at Earth Station / DSNG. Sr. Equipment Make Type/ Eqpt. Sl. Status/ Remarks No. model No. No. 1 Encoder Tendberg E 5411 3022 3017 2 Multiplexer Tendberg MX5620 832 835 Defective 3 Modulator Tendberg SM5600 365 372 4 Up Converter Advent AVC- 4706 2016402 2016394 5 HPA TWT Xicom XTRD- 6737
750C 7979 Defective(Sent for CPI repair to ELTEL,Banglore) 6 MEM HP Vectra NL1431837 9 7 LNA EF DATA CA04560 NVV 2206025 22085915A 8 PDA (Size)3.8m ECIL 149 9 Spectrum Analyzer R&S FSP-30 100352 10 Video TECTRO 700T B041605 Measurement set NICS 11 IRD ADI MX1 SDI 0007272 Defective 12 IRD Universal DSR055 13 IRD Universal DSR1100 14 IRD Tendberg PLUS M2 A13771 /P8R/942 15 IRD SCOPUS 2900 309483 14 IRD SCOPUS 2900 309475 11. Details of Power Supply Equipments S.No Equipment Capacity Make Type/ model No. Eqpt. Sl. No. Status/ Remarks 1. UPS(1+1) 25 KVA AROS Sentry 1960155 p-3712903 p3712906 2. Batteries (With AROS UPS) 12V/40A Exide Dry fit A500 3. AVR 25KVA AEL LU-415p 302/E28050/1 4. Isolation Transformer - - - - -- 5. Diesel Generator 62.5kva Kirlosker HA694TC 06.1429/0100239
Defective Equipments At The Kendra Sr. Equipment Make Type/ Eqpt. Sl. Status/ Remarks No. model No. No. 1 Multiplexer Tandberg MX5620 835 Defective 2 IRD ADI MXI SDI 0007272 Defective 12. List of Major Spares available at the Earth Station / DSNG - - 13. Additional information, if any. 1. Defective HPA make XICOM,Sr. No. 7979 is sent to ELTEL, banglore for repair. 2.CPI,make HPA brought for DDK, Jalandhar is working as Spare HPA. 3. Encoder cum Modulator E 5424 Sr. No. 792 sent on loan to DDK,Port blair via gati courier under insurance. Certified that History Sheets are being maintained for the main equipments and measuring equipments. Essential maintenance has been carried out as per list given below. 1. Air-conditioning system 2. Safety/Interlocking system 3. Fire fighting 4. Power Supply 5. UPS 6. Batteries 7. Feed 8. Dehydrator 9. First Aid Box 10. Earthing Systems including Earth pits. Station Engineer