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| The Kettering Group | Tyneside, UK 2021 Jan 31 Sunday, Day 31
Maintained by: Robert Christy Zarya Home Kettering Group Home Kettering Group Equipment in Detail: The Tracking Station Radio Receivers Radio Aerials Additional Radio Equipment Timing Calculating and Computing Recording Archives Miscellanea Racal RA-217 Brochure Elsewhere on the Web: British Pathé News Film Contemporary 1966 film of the tracking equipment | Supplementary Radio Reception Equipment
Item | Purpose | Note | Currently Residing
Airmec Wave Analyzer | Used to look at 150 MHz Tsikada and Parus Signals | Loaned by Pye-Phillips | Unknown
Frequency Meter - BC-221 (or similar) | Stable oscillator to act as BFO and tuning aid when receiving CW transmissions with the Marconi CR-100 | Lent by Cyril Dobson, a radio amateur living in Kettering (call sign G3ICK), returned when Derek Slater acquired a permanent replacement | Not known
Frequency Meter - BC-221 | Stable oscillator to act as BFO and tuning aid when receiving CW transmissions with the Marconi CR-100 | Acquired by Derek Slater to replace the loan item from Cyril Dobson Use alternated with the CRR-74028 Fell out of use on arrival of Racal RA-217 for 1968 but later pressed into occasional use for tracking multiple HF satellites simultaneously | Part of the Derek Slater collection, passed to British National Space Centre during 2011 and put on open display 2015 December
Frequency Meter - CRR-74028 | Stable oscillator to act as BFO and tuning aid when receiving CW transmissions with the Marconi CR-100 | Acquired by Derek Slater to replace the loan item from Cyril Dobson Use alternated with the BC-221 Fell out of use on arrival of Racal RA-217 for 1968 but later pressed into occasional use for tracking multiple HF satellites simultaneously | Part of the Derek Slater collection, passed to British National Space Centre during 2011
Headphones | Listening to ouptut from various radio receivrs | Several sets used over time | Various
Audio Unit | Amplifier and loudspeaker | School property - general science Used with the Hallicrafters when not needed for teaching | Unknown
VHF Pre-amplifier | Amplification of VHF frequencies | Constructed by Derek Slater and mounted in re-used tobacco tin (Golden Virginia) | Part of the Derek Slater collection, disposed of "to a good home" 2009 more than forty years after it was constructed
Output/speaker Interface for RA-217 | Speaker system for RA-217 and clean output to GNT Undulator | Specially-built by Derek Slater | Geoff Perry Collection, passed to Science Museum, London in 2018.
Navsat Decoder | Used to produce readable copy of Parus/Tsikada position and Almanac data. | Still in use by Chris Wood as of 2014. | Chris Wood Collection
Pre-amplifier 137-150 MHz | Use with unidentified VHF receiver | Supplied by Dick Flagg | Reportedly in the Derek Slater Collection but actual whereabouts unknown
Panoramascope | Panoramic Adaptor used with the Hallicrafters S-27B receiver | Became unrepairable | Probably loaned by the Clarendon Laboratory, Oxford - later passed to another school together with Hallicrafters receiver

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