GPR-90

• alternative name: TMC

Technical Materiel Company GPR-90 receiver: Frequency Coverage 0.540 to 31.5 MHz in 6 Bands: Band 1 - 0.54 to 1.4 MHz, Band 2 - 1.4 to 3.3 MHz, Band 3 - 3.2 to 5.6 MHz, Band 4 - 5.4 to 9.6 MHz, Band 5 - 9.4 to 17.8 MHz, Band 6 - 17.3 to 31.5 MHz; Bandspread calibrated for the 160 to 10 Meters Amateur Bands;

Reception modes AM/MCW/CW/SSB/FSK; Selectivity: 7/2/1.5/1/.5/.25 kHz;

Receiver can be operated from battery power: 6 VDC at 5A and 180-300 VDC at 100 mA.
Accessory items are GPS-1, the GSB-1 SSB Adapter. A 100 kHz Xtal Calibrator was an add on accessory in the earlier production runs and in later production it became a part of the receiver.

In questo link sono elencati 10 modelli, di cui 9 con immagini e 2 con schemi.
Elenco delle radio e altri apparecchi della Technical Materiel Corporation, The; Mamaroneck; NY