BC-221 / SCR-211 wavemeter
It has been manufactured by many companies:
CBK = Allen D. Cardwell Mfg Corp.,
CIY = Rauland Corp.,
CPR = Philco Corp.,
CRR = Bendix Radio Corp.,
CZR = Zenith Radio Corp.
and versions ( 25 are listed ):
A, B, C, D, E, F, J, K, L, M, N, O, P, Q, R, T, AA, AC, AE, AF, AG, AH, AJ, AK, AL
It was also the "model" for the Soviet No. 4-1
Frequency range: 125 kHz to 20MHz
The frequency meter is calibrated in two ranges: 125 to 250 kHz and 2000 to 4000 kHz.
Using 2nd, 4th, 8th harmonics then the frequency range is 250 to 2000 kHz;
Using the 2nd, 4th, and 5th harmonics, a range of frequencies between 4000 and 20000 kHz
Source:
http://nj7p.org/history/scr-211.html
http://www.edelpro.com/generators/generators.html
It has been manufactured by many companies:
CBK = Allen D. Cardwell Mfg Corp.,
CIY = Rauland Corp.,
CPR = Philco Corp.,
CRR = Bendix Radio Corp.,
CZR = Zenith Radio Corp.
and versions ( 25 are listed ):
A, B, C, D, E, F, J, K, L, M, N, O, P, Q, R, T, AA, AC, AE, AF, AG, AH, AJ, AK, AL
It was also the "model" for the Soviet No. 4-1
Frequency range: 125 kHz to 20MHz
The frequency meter is calibrated in two ranges: 125 to 250 kHz and 2000 to 4000 kHz.
Using 2nd, 4th, 8th harmonics then the frequency range is 250 to 2000 kHz;
Using the 2nd, 4th, and 5th harmonics, a range of frequencies between 4000 and 20000 kHz
Source:
http://nj7p.org/history/scr-211.html
http://www.edelpro.com/generators/generators.html
