Engineering Section

Location of Transmitter is at Chandi on Amtala- Baruipur Road about a mile offset towards the East of Kolkata- Diamond Harbour Road.
The site was taken over on 17.06.1957 and the cost of site is about 1.50 Lakhs.

  Kolkata Kolkata B *
Date,of commissioning 07.09.1998 and 08.09.15 25.03.1994
Power 200 KW and 100 KW 2x10 KW
Type NX 200 and BEL/HMB 140 BEL/HMB
Frequency 657KHz 1323KHz
Mast base Impedance 77+j115 60+j53.5
Mast Height 122m 120m
Time of Transmission 5:55 to 15:00
17:00 to 11:20
 
Latitude 22 degree 21min 43.02 inch North
Longitude 88 degree 16 min 59.65 inch East

* At present Kolkata B is radiated -at 1323KHz temporarily. It will be radiated at 1008KHz again after installation of new 100 KW DRM Transmitter.

High Power Transmitter, AIR, Amtala

Phone No. 033-2470-9209
Geographical location: Latitude : 22°21' 42"
Longitude : 88° 17 '34"
Area of land : 31acers (Approx.) Regional SW Xtr. Type: HHB -144
Kolkata- B Type : HMB- 140 Power :50 kW
Power: 100 KW Frequency: 4820 I 7210KHz
Frequency : 1008 KHz Dipole antenna impedance: 600 0
Mast Impedance : 639- j80
Balanced Antenna: Dipole antenna
Antenna : Self Radiating ( height : 122 mtrs.)
Diesel Generator : Make- Crompton Greaves
Capacity: 200 KVA 3 Ph
A.C Plant : 5.5 Ton x 1, 1.5 Ton x 4
A.C Plant : 5.5 Ton x 2. 1.5 Ton x 7
5.5 Ton x 1, 1.5 Ton x 4
Studio Transmitter Link: Satellite Link ( C - Band)  
Remarks: Tr. is Off the air for fallen of Mast. Remarks: Tr. is Off the air for want of valve.
Standby Tr. :Make : RIZ, Model :OR 10 SD Power : 10kw  
** Installation work for installation of new MW DRM transmitter is in progress.
Make : Nautel Model : NX 100. Soon transmission will be resumed with the help of the transmitter under installation.
Few important telephone Numbers related to the said installation:
Police station : 033 - 2470 9245 Fire station : 033- 2497 6285
W.B.S.E.B : 033 - 2470 9340 Tel Exchange: 033-2470 9259
Gram Panchaya t: 033 - 2470 9822 Hospital : 033 - 2470 8272

NOTE


As per the order No. Kol-9(3}/E/2015 dated 12.01.2016, details updated information regarding Control Room/Studios are appended below :-

CONTROL ROOM AND STUDIOS

Geographical Location: 22° 33' 54"N / 88° 20' 40" E

Area Covered by Studios along with Control Room :- 7, 538 Sq.ft. Corridor :- 4,220 Sq. ft. Area of additional Studio Facility (ASF Block) :- 2125 Sq. ft.

No. of News Studio:- 1No.
No. of Transmission Studio including three nos. FM Studio:- 09 Nos.
No. of Recording Studio comprising of Music, Drama & Discussion :- 07Nos. Audition Studio:- 01No.
Switching Console:- 05 Nos.
Transmission Console:- 10 Nos. Recording Console:- 07 Nos.
Dubbing & Editing Console: - 01No. OB Console: - 03 Nos.
Phone-in-Console: - 09 Nos.

Recording facility: - Server based Hard Disc Based Recording System with "NETIA" Software.

Regional Achieve and refurbishing facility.

Studio Transmitter Link:-
(i) Satellite Up-link(C- Band)
(ii) E1-T1 IP Based Link(Krons Make)
(iii) 256/128 Kbps Digital Lease Line.

Diesel Generator: Kirloskar Make 62.5 KVA, 3Ph.
A.C. Plant :- Centralized 3x 40 Ton for Main Studios & Control Room. 10 Ton & 8.5 Ton Package Type for ASF Block.

Captive Earth Station :- Up-link programme to Satellite.

Broadcast Channel Radiating Power Meter - BandLFreguency:
(i) CAL-A 200I < W     DRM 456.6 Mtr./657 Khz
(ii) CAL-B 100 KW       DRM 297.6 Mtr./1008 Khz
(iii) CAL-C 10 KW         FM 101.8 Mhz
(iv) SBS 1000 KW     DRM 505 .5 Mtr. /594Khz{ Day Time)
264.5 Mtr./1134 Khz(Night)
(v) RAINBOW 10 KW           FM 107 Mhz
(vi) GOLD 20 KW           FM 100.2 Mh z.
(v) DTH- Direct to Home Service.