Steve wGØAT:
20m Twisted Pair doublet
Steve wGØAT:
!8' elements + 18' twisted pair feedline
Steve wGØAT:
Center support
Steve wGØAT:
After trimming elements/feedline it's now 1.2:1 on 20m!!
Steve wGØAT:
Wife brought home a umbrella & stand from Depot. The black PVC pipe hose clamped to the rebar was my other test stand
Steve wGØAT:
50-lb umbrella stand is more convenient
Steve wGØAT:
Spots on RBN ...not bad for QRP on seemly dead band
Steve wGØAT:
KX3 w/case setup for testing twisted-pair 44' doublet
Steve wGØAT:
21' telescopic fiberglass mast supports antenna
Steve wGØAT:
#22 twisted-pair feedline into binding post BNC connector
Steve wGØAT:
Tuning 20m CW looking for QSO ...no Joy!
Steve wGØAT:
Apex of TP Boublet a top 21' telescopic fishing pole
Steve wGØAT:
Guitar pick center insulator #22 wire is continuous ...no solder connections
Steve wGØAT:
KX3 powered by A123 4S1P (runtime 3-4hrs)
Steve wGØAT:
Twisted pair #22 Doublet 22' each side of center
Steve wGØAT:
Sark110 shows it's self resonate at 11 MHz without ATU?
Steve wGØAT:
Attachment to analyzer
Steve wGØAT:
No balun twisted pair direct fed to KX3