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2 Monthly Report, for the month of Jan-2013, in respect of Earth station at DDK HISAR Designations Telephone Numbers Office Residence Mobile Superintending Engineer Station Engineer Zile Singh Jakhar Earth Station / 24 hours contact No /S; seddkhsr@rediffmail.com 1. Satellite Parameters Sr.No. Name of Kendra MCPC/ SCPC Satellite/ Transpo nder Uplink Downlink FEC Sym. msps Freq.MHZ POL. Freq.MHZ POL 1. Hisar SCPC INSAT 4B/C MHZ V 3802 H 3/ Service Information Name of service Service ID Video Bit rate Audio-1 Bit Rate Audio-2 Bit rate Croma Format Video PID Audio- 1 PID Audio- 2 PID PCR PID Scrambling Type Regional Service DDK Hisar mbps 192 kbps 192 kbps 4:2: None News Feeds Hours (Regional Service)(1 st April to 31 st March of next year.) Scheduled Break Down Test Other Radiated BW MHz Power Gear A B C D=A+B-C E D+E Monthly Progressive Hours (News Feeds) Scheduled Other Break Down Radiated Test \ A B C D=A+B-C E D+E Monthly Progressive Special Feed for Other Agencies Date Name of Agency Time Duration

3 6 HPA Working Hours HPA Type (KHPA/TWTA)&Power (watts) Model Serial No. Month Progressive Sr. No. (Hours) (Hours) 603 VZC6965B4 0003A HPA S.No.603 Diverted to CPC Doordarshan New-Delhi on 18/09/ VZC6965B4 0001D Defective due to failure of 2.25KW TWT TWTA VZC6964A4 SB0728A On loan from DDK Aizwal. TWTA VZC6964A Received from DDK New Delhi on Diversion on 09/09/09 7 HPA Working Status HPA TWT/Klystron In Ckt. Fil Voltage Fil Beam Voltage Beam Body Output Power Uplink EIRP Sr.No. 603 V Amp K.V. Amps Ma Watts db D W TWTA Model VZC6964 A4 on 8.88KV 0.7ma 45 W loan from DDK AIZAWL is In ckt. 400Watts TWTA From DDK New Delhi (Originally belongs to DDK Chandigarh) ma 38W 8.Measurements (on Every 8 th,15 th, 22 nd and 29 th ) also attach spectrum graph taken for single channel of Kendra (narrow power(in wats &db),c/n,ber. On 8 th On 15 th On 22 nd On 29 th E-b No. (db) BER (Viterbi) E-b/No (db) BER (Viterbi) E-b/No (db) BER (Viterbi) E-b/No (db) BER (Viterbi) Breakdown Details (A detailed sheet may be attached if necessary) Date From To Duration Cause

4 10.Details of Main Equipments available at Earth Station/DSNG. Sr. No. Equipment Make Type/Model No. Eqpt. Sl. No. Status 1 Encoder TANDBERG E 5411,E ,1125 OK 2 Multiplexer TANDBERG MX ,712 Faulty Not responding to MEM 3 Modulator TANDBERG SM ,129 S no 129 ok & 128 Defective 4 Up Converter ADVENT AUC , OK 5 HPA/TWTA CPI VZC6965B4 0003A006 6 IRD TANDBERG Alteia Plus A 12905, A12906 OK 7 MEM HP NL Faulty *1 8 LNA Miteq AMFW-7S one OK one Faulty *2 9 PDA 7.2 M EC OK 10 Spectrum N/A Analyzer 11 Video N/A Measurement set 12 Digital Video sig.gen. 13 Dehydrator 11.Details of Power Supply Equipments Sr, No. Equipment Capacity Make Type/ Model No. Eqpt. Sl No. Status/ 1. UPS 40KVA TATA S OK LIEBERT 2. Batteries 12V HBL TP OK 42AH 3. AVR 20x3 AE LT-701N E26630/1A OK KVA 4. Isolation 60 KVA AE 701/T26630/1A OK Transformer 5. Diesel Generator 62.5 KVA Kirloskar 4R1040T 4H2401/ OK 12. List of Major Spare available at Kendra : Name of equipments Make/Type Quantity WorkingStatus/ 1 SPARES OF HPA Part No. (a)rf low Voltage Power Supply 2 Nos. OK (b)power supply Blower Assembly Nos. OK (c)hv Rectifier Assembly Nos. OK (d)cca Power processor Nos. OK (e)heater Interface Monitor Nos. OK (f)ac Conditioning Assembly Nos. OK (g) CCA High Voltage Nos. OK (h) SSIPA Nos. OK

5 (13)Additional information, if any : Essential maintenance has been carried out as per list given below. (1) Air-conditioning system. (2)Power Supply (3)UPS (4)Batteries (5)Feed (6). Earthing Systems including Earth Pits. : 1. The Configuration work of MEM is pending because of defective Multiplexers. Two new MUXs which were received from CP&S against defective, diverted to DDK Banglore & Ahmedabad 2 LNA is faulty & there is no spare.. 3 On ,2.25 KW HPA (Make CPI,Model VZC6965H4, Sr.No. 604) failed, showing Helix Over Status Fault require 2.25KW TWT for replacement KW HPA Make CPI,ModelVZC6965B4,SNo 603 diverted to CPC New Delhi. 5 Replacement of 62 Nos. Batteries (12V,40 AH) of 40 KVA UPS of Earth station is required immediately 6 Encoder unit S No.2477 Type E5411 was giving alarm (communication failure) This unit was Replaced by another Encoder S No 1125 Model E5410 Received from the office of ADG (NZ) AIR & DD New Delhi. Signature (Engineering Head)

PRASAR BHARATI (BROADCASTING CORPORATION OF INDIA) CPC, DOORDARSHAN, NEW DELHI-49.

PRASAR BHARATI (BROADCASTING CORPORATION OF INDIA) CPC, DOORDARSHAN, NEW DELHI-49. No: 4(01) CPC/MR/2011/E Dated: 01.03.2012 To, The Director General Doordarshan, (Kind Attn: Shri Yuvraj Bajaj, ADG(E))