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U239 Autek Research QF-1   $39.95 SOLD
Audio Filter
This Autek Research QF-1 audio filter features:  Peak, Notch and Low Pass. Input is via a hard wired ¼ inch cable off the rear panel. Operates from 120 VAC.  [05/06]

UI69 Autek Research QF-1A   $64.95 SOLD
Audio Filter
This Autek Research QF-1 audio filter features:  Peak, Notch and Low Pass. Input is via a hard wired RCA phono cable off the rear panel. Operates from 120 VAC.  [02/14]
[ No item ]

UR05 Autek Research RF-1   $79.95 SOLD
Pocket Analyzer
The Autek Research RF-1 is designed to check and adjust antennas,feedlines, and RF networks. It includes a microprocessor, A/D coverters, and a low-power "transmitter" with 4 digit frequency readout, continuously variable from 1.2 to 34 MHz in 5 bands. Measures RF values of true impedance (0-2000 ohms), SWR (1 to 15:1), C(0-9999 pF) & L (<0.04 to 300 uH). Operates from a 9 volt battery installed via the rear panel.  [01/08]

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