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RADIOHF - FOR SALE: AOR DDS-2A External VFO In excellent shape and working well. This is the hard-to-find external synthesized VFO for the Collins KWM-2, the 75-S, and the 32-S units. The DDS-2 is microprocessor-controlled, and is designed to replace the PTO and HFO in the original Collins equipment, giving accurate and stable 10 Hz frequency resolution. Also features an RS-232 port for computer control. Photo shows the DDS-2A working with my 75S-3B (which of course is not part of the listing). Upon sale I will remove the 75S-3B modification cables which originally came with the DDS-2A and include them with the unit. I'll also include the Collins spinner knob as shown as well as the original DDS-2A knob, a 12 volt power supply, and the manual. $1350 plus $20 USPS Priority shipping; Zelle or cashier's check preferred Listing #1729994 by N3CW Submitted on 05/20/25 Web Site: https://www.qsl.net/n3cw/index.html Submitted from cpe-64-203-128-78.lyn.hsw.ntelos.net Click to Contact Back to Previous Page

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