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Desktop VHF Transceiver
Desktop ULF/VLF Receiver
Desktop Receiver

General

HAM bands 6m  2000m  80m  40m  20m  15m  10m 
Freq. stability ? ? ?
Tuning steps ? Continuous Continuous

Receiver

RX-range 50-52 MHz 15-500 / 500-1500 kHz (2 ranges, 7 bands) -
Modulations AM   AM   CW   FSK   -
Sensitivity Less then 1 mV for 10 dB S/N 6 µV ?
Selectivity ±3kHz at 6dB down, less then ±12kHz at 50dB down ? ?
Filters ? 0.1 / 1 / 2 / 4 / 8 kHz ?
Receiver system Double conversion superheterodyne Double conversion cuperheterodyne, including circuit arragement for cancelling drift of crystal oscillator (34 tubes) ?
IF-freqs. 1st: 5745 kHz
2nd: 455 kHz
? ?
Image rejection ? ? ?
Audio output 4 W @ 8 ohms 500 mW unbalanced, 10 mW balanced ?

Transmitter

TX-range 50-52 MHz - 80-10 m
Modulations AM   - AM   CW  
RF-output 10 ? ± 40 W

Connections

Antenna SO-239 Proprietary SO-239
Impedance 50Ω 125Ω 50Ω
Other - - -

Electrical

Power req. 12V DC or mains (160 W max) Mains (115/230 V AC) Mains
Current RX ? 250 W with oven on, 150 W when oven off -
TX 14 A max - ?

Physical

Manufactured Between 19xx and 19xx Between 1951 and 19xx in USA Between 1962 and 196x in Brazil
Dimensions 308 × 130 × 235 mm
(12.13 × 5.12 × 9.25 in)
483 × 267 × 438 mm
(19.02 × 10.51 × 17.24 in)
?
Weight 8.60 kg (19.0 lbs) 37.20 kg (82.1 lbs) including power supply PP-621/URR ?
Form factor Base Station Base Station Base Station

Other features

Memories ? None ?
Usage Amateur / Ham radio operators Amateur / Ham radio operators Amateur / Ham radio operators
Features ? Operating altitude up to 10,000 feet 1 × 807 / 2 × EL34 tubes
Accessories ? ? ?
MPN LAFAYETTE-HA-000460 COLLINS-R-000389/URR DELTA-000310-I