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* [[Media:GRwiki Catalog E2 OCR 1928.pdf|E2 (1928)]], p.79
* [[Media:GRwiki Catalog E2 OCR 1928.pdf|E2 (1928)]], p.79
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The '''General Radio 558 Amateur Band Frequency Meter''' was introduced in 1928 Bulletin 930, E1 and E2 only.  
The '''General Radio 558 Amateur Band Frequency Meter''' was introduced in 1928 Bulletin 930 and Catalogs E1 and E2.  


==Specifications==
==Specifications==

Revision as of 22:23, 31 March 2024

General Radio 558
wavemeter
General Radio 558 Amateur Band Frequency Meter

Available from 1928 to 1929

Manuals
Catalog History
 Document Year Page
Bulletin 930 1928 9375
Catalog E1 1928 79
Catalog E2 1928 79
(All manuals in PDF format unless noted otherwise)

The General Radio 558 Amateur Band Frequency Meter was introduced in 1928 Bulletin 930 and Catalogs E1 and E2.

Specifications

  • Frequency Range: 3.5 to 4.0 MHz, 7.0 to 8.0 MHz, 14.0 to 16.0 MHz, 28 to 32 MHZ, 56 to 51 MHz
  • Frequency Calibration Accuracy: 0.25%

Links

Photos