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244 [2007/02/14 15:38] n5na |
244 [2007/02/21 23:49] n5na |
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| ===== Description ===== | ===== Description ===== | ||
| - | Plugs into the accessory socket of the Model [[540]]. Displays transmitted and received frequencies. Can be checked and calibrated to WWV. COUNT switch position converts unit to straight 50 kHz to 22 MHz counter for other use. Housed in matching enclosure. | + | Plugs into the accessory socket of the Model [[540]]. Six digits show transmitted and received frequencies to hundreds of Hertz. Can be checked and calibrated to WWV. COUNT switch position converts unit to straight 50 kHz to 22 MHz counter for other use. Housed in matching enclosure. |
