The balun I was using for my D40 broke internally (I suspect the coax beads
fractured for some unknown reason) and I need to replace it. I'd like some
opinions: should I use a coaxial choke (10 turns per ARRL Antenna Handbook),
an air-wound trifilar job (per Bill Orr), or a commercial (boom/mast mounted)
one?
Please reply directly to me to avoid unnecessary bandwidth, and I'll post my
conclusion later on TT.
Thanks, and 73
Bert, N4CW
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