History of the manufacturer
Racal Engineering (Racal Instruments) Ltd., Bracknell
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| Name: | Racal Engineering (Racal Instruments) Ltd., Bracknell (GB) |
| Abbreviation: | racal |
| Summary: |
Racal Engineering / Racal Instruments Ltd., Bracknell, UK.
|
| Founded: | 1950 |
| Production: | 1951 - |
| History: |
Racal Ltd. wurde 1950 von Ray Brown und George Calder Cunningham, ehemaligen Plessey-Mitarbeitern gegründet. Der Firmenname leitet sich aus den Vornamen der Gründer ab: RAy - CALder. Mit dem kommerziellen Kurzwellenempfänger RA-17 führte Racal das Prinzip der "Wadley Loop" - einer speziellen, besonderes stabilen Regelschleife zur Oszillatorsteuerung (nach dessen Erfinder und damaligem Mitarbeiter, Dr. Trevor Lloyd Wadley, 1920 - 21.05.1981) - in den professionellen Empfängerbau ein.
Aus der Racal Engineering Ltd. wurde 1979 die Racal Communications Ltd., 1990 wurde sie mit dem Zweig der militärischen Kommunikationstechnologie in Racal Radio Ltd. übergeführt, 2000 in die Thomson-CSF Racal übernommen. Racal UK war die Muttergesellschaft von Vodafone.
Der US-amerikanische Zweig Racal Communications Inc. war 1965 - 1971 in Silver Spring und 1972 - 1997 in Rockville beheimatet.
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This manufacturer was suggested by Martin Bösch.
Some models:
| Country | Year | Name | 1st Tube | Notes |
|---|---|---|---|---|
| GB | 67 | Universal Counter 835 | GN6A | Measure Functions: Frequency, Period, Period Averaged, Time Interval, Time Ratio; Frequen... |
| GB | 74 | Modulation Meter 9009 | Automatisches Modulationsmeßgerät bis 1,5 GHz für Amplitudenmodulation und Frequenzmodu... | |
| GB | 84 | R.M.S. RF Voltmeter 9300F [RACAL-DANA French version] | True RMS RF Voltmeter with 14 half-decade ranges spanning 100 microvolts to 300V full s... | |
| GB | 78 | Manpack Radio Grinel TR28B2 TRA967/1 | This is originally a RACAL TR28, later TR28B2. We don't know for this model, if it ... | |
| GB | 77 | Universal Counter-Timer 9904 | 7 digit LED display. Range 10Hz - 50MHz, with 10mV rms sensitivity. Variou... | |
| GB | 80 | UHF Frequency Counter 9916 | Racal-Dana Frequenzzähler Modell 9916 - Zählbereich: 0,1 Hz bis 520 MHz - Messzei... | |
| GB | 80 | Frequency-Period Meter 9520 | GN13A | Measures Frequency or Period with four ranges Frequency: x1, x10 ,x100 ,x100... |
| GB | 81 | R.M.S. Voltmeter 9300B | True RMS Voltmeter with 14 half-decade ranges spanning 100 microvolts to 300V full scal... | |
| GB | 92 | Racal-Dana True RMS RF Level Meter 9303 | The Racal-Dana RF Level Meter Model 9303 is a microprocessor controlled instrument ma... | |
| GB | 85 | Racal-Dana Frequency Counter 1999 | The Racal-Dana frequency counter 1999 is a microprocessor-controlled instrument offering h... | |
| GB | 85 | Microwave Counter 2101 | The Racal-Dana microwave counter Model 2101 is a microprocessor controlled instrument offe... | |
| GB | 80 | LCR Databridge 9343M | Measurement ranges.R: 0,1 mohm to 990 MOhm. L: 0,001 µH to 9900 H C: 0,001 pF to 9999 µF ... |
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