Model listing
The following table summarises the Band IV and V television transmitting equipment.
| Model No. | Approx. Date | Description | Marconi Spec. sheet | External reference | ||
| TD501B | 1962 | Transmitter, Band 4, 1kW | yes | Made by Marconi Italy | ||
| TD503 | 1962 | Transmitter, Band 4, 10kW | yes | Made by Marconi Italy | ||
| BD929 | 1962 | Video Equalising and Correction Amplifier | yes | |||
| BD378 | < 1963 | Transmitter, Band 4/5, 25Kw | yes | |||
| BD380 | 1964 | Transmitter, Band 4/5, 10Kw | yes | |||
| BD381 | 1964 | Transmitter, Band 4/5, 5Kw | yes | |||
| BD435 | < 1963 | Band IV/V UHF Television Aerial | yes | |||
| BD463 | < 1963 | Television Drive Transmitter, Band 4/5, 10 or 75W | yes | |||
| B6450 | 1966 | UHF Television Translator | yes | |||
| < 1969 | Television Transmitting equipment | yes | ||||
| B6405 | c. 1980 | Television Transposer, NM1400 series | Yes | |||
| B6503 | c. 1980 | Frequency Modulator | Yes | |||
| B7300 | < 1965 | Transmitter, Band 4/5, 10/75w | yes | |||
| B7301 | < 1965 | Transmitter, Band 4/5, 25Kw, klystron | yes | |||
| B7302 | 1965 | Transmitter, Band 4/5 Vision 1kW and Sound 200W Amplifier | yes | |||
| B7303 | < 1965 | Transmitter, Band 4/5, 5Kw | yes | |||
| B7304 | < 1965 | Transmitter, Band 4/5, 10kW | yes | |||
| B7309 / B7317 | c. 1970 - 1981 | Transmitter, Band 4/5, 40Kw, klystron | Yes | |||
| B7310 | 1966 | Transmitter, Band 4/5, 12Kw | ||||
| B7311 | Transmitter, Band 4/5, 5/10w, solid state | yes | ||||
| B7315 | c. 1970 | Transmitter, Band 4/5, 10Kw, klystron | yes | |||
| B7318 | 1969 | Transmitter, Band 4/5, 55/40Kw, klystron | yes | |||
| B7319 | 1975 - 1984 | Transmitter, UHF, 4Kw, klystron | Yes | |||
| B7320 | 1975 - 1984 | Transmitter, UHF, 10Kw, klystron | Yes | |||
| B7321 | 1975 - 1984 | Transmitter, UHF, 55Kw, klystron | Yes | |||
| B7443 | c. 1984 | Transmitter, UHF, 10Kw, with 2Kw sound |
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| B7445 | c. 1984 | Transmitter, UHF, 15Kw, with 3Kw sound | ||||
| B7954 | c. 1984 | Audio Monitor Panel | yes | |||
| < 1965 | Feeders and Auxiliary equipment | yes | ||||
| < 1966 | Feeders and Auxiliary equipment | yes | ||||
| < 1965 | Combining units, Filterplexers and Diplexers | yes | ||||
| < 1966 | Combining units, Filterplexers and Diplexers | yes | ||||
| < 1968 | UHF Feeder and Auxiliary equipment | yes | ||||
| < 1969 | Paralleling UHF Transmitters | yes | ||||
| < 1969 | UHF Transmission line equipment | yes | ||||
| B8010 | 1975 - 1981 | Coaxial transmission line components | Yes | |||
| B8050 | 1966 | Transmitter dummy load, vapour cooled | Yes | |||
| B8052/3 | 1975 - 1981 | Transmitter dummy load, liquid cooled | Yes | |||
| B8120-1 | 1975 - 1981 | FM combining units | Yes | |||
| B8144 | 1968 | UHF sound and vision combining unit | Yes | |||
| B8145/7 | c. 1970 -1976 | UHF Aerial combining unit for up to 4 TX units | Yes | |||
| B8152 | 1981 | "Rotamode" UHF filter | Yes | |||
| B8161 | 1975 - 1981 | Television automatic change over equipment | Yes | |||
| B8240 | < 1965 | UHF Television Aerial | Yes | |||
| B8241 | 1968 | Aerial, UHF, circular radiation pattern | Yes | |||
| c. 1969 | UHF Transmission Line equipment | Yes | ||||
Further marketing information
* For a detailed technical description of the 50kW / 40kW transmitters click here.
Further information
Engineering the fourth UHF ITV channel in the UK by Derek Chambers and Robert Wellbeloved 1981 click here
A new generation of medium power TV transmitters by L.F. Howard 1981 click here
WFLD - The selection of paralleled UHF Transmitters by W.P. Kusak 1967 click here
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