558
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%
