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"John - G0WPA" schreef in bericht
... Hi there, Anyone have one of these? Ive just bought one with no manual. What aux antenna should I be using and where should the aux antenna be located in relation to my main antenna. Secondly, what is the procedure for tuning the gain,phase1 and phase2 controls. Mnay thanks, John G0WPA Hi John, I live on a small city lot and my main problem is the ever increasing level of local QRM and the number of QRM sources. The limited space for antennas makes is difficult to find a way reducing this local QRM. Large directional antennas are not possible. My current project is summarised on: http://home.plex.nl/~jmsi It uses two active broadband small magnetic Alford loops. Both loops can be rotated. Addressed are distance to qrm sources, antenna balancing, nulling, noise cancelling, diversity reception and directivity using both loops in an array. At the moment I still use the MFJ-1025 noise canceller. May be it helps you reducing the QRM. 73 es gl de Jan PA0SIM |
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