Richard, Links to some ccts etc :- http://groups.google.com/group/uk500khz/web/low-frequency-converters Depends on what you intending to run and at home or portable ? couple of nice home made ones ab
There's my I/Q design for souncards and narrow band phase shifter as published in April's Radcom (Data Column) and at www.g4jnt.com/LFUpconv.pdf Andy G4JNT wobbleU cubed .g4jnt.kom 2009/5/18 Ric
Gosh , CW from the speaker ! 589 in io83lk , 39.8 miles , 286 deg Nice signal G .. I heard someone beaconing on 501.1kHz at 2030 local tonight. Just too weak to make out the call. Got "test" and QSK
I heard someone beaconing on 501.1kHz at 2030 local tonight. Just too weak to make out the call. Got "test" and QSK before they stopped. My beacon is on 501.8 now. Any recommended transverter designs