TECHNICAL MONTHLY REPORT EARTH STATION JANUARY, 2010

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1 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

2 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) Station Engineer (Earth Station) Station Engineer (Transmitter) 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 V 3750 H 3/ 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: :2: Scram bling Type

3 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 NIL NIL NIL NIL NIL NIL NIL NIL 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 Progressive Total Special Feed /Hot Switching Date Name of Kendra Duration Remark

4 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) CPI(on loan from DDK,Jalandhar 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 V 2.0mA 11.3KV W 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) E E E E-5 9. Breakdown Details (A detailed sheet may be attached if necessary) Date From To Duration Cause 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 Multiplexer Tendberg MX Defective 3 Modulator Tendberg SM Up Converter Advent AVC HPA TWT Xicom XTRD- 6737

5 750C 7979 Defective(Sent for CPI repair to ELTEL,Banglore) 6 MEM HP Vectra NL LNA EF DATA CA04560 NVV A 8 PDA (Size)3.8m ECIL Spectrum Analyzer R&S FSP Video TECTRO 700T B Measurement set NICS 11 IRD ADI MX1 SDI Defective 12 IRD Universal DSR IRD Universal DSR IRD Tendberg PLUS M2 A13771 /P8R/ IRD SCOPUS IRD SCOPUS 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 p p Batteries (With AROS UPS) 12V/40A Exide Dry fit A AVR 25KVA AEL LU-415p 302/E28050/1 4. Isolation Transformer Diesel Generator 62.5kva Kirlosker HA694TC /

6 Defective Equipments At The Kendra Sr. Equipment Make Type/ Eqpt. Sl. Status/ Remarks No. model No. No. 1 Multiplexer Tandberg MX Defective 2 IRD ADI MXI SDI Defective 12. List of Major Spares available at the Earth Station / DSNG Additional information, if any. 1. Defective HPA make XICOM,Sr. No 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

TECHNICAL MONTHLY REPORT EARTH STATION JULY, 2011

TECHNICAL MONTHLY REPORT EARTH STATION JULY, 2011 BADRINATH VALLEY OF FLOWERS KEDARNATH FOREST RESEARCH INSTITUTE CLOCK TOWER HARDWAR INDIAN MILITARY ACADEMY GANGOTRI HEMKUND SAHIB YAMNOTRI DOORDARSHAN