Eclipse Antenna HF NVIS EFHW reel QRP QRO skywave 40m 20m 15m 10m band
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simple all-in-one kit for an EFHW HF antenna
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Eclipse NVIS Antenna
40m 20m (15m) 10m
this antenna is meant to be an all in one package for emergency NVIS communication. can also be used for POTA for those local QSO in your skip zone. the goal is quick deployment, lightweight and small size. perfect for people looking into EMCOM.
i use FT50-43 and they are good for 10W SSB and around 5W CW.
features:
easily hold 68ft of 20ga silicone wire
quick banana connections
BNC for the coaxial cable
central hole for quick deployment
optional counterpoise available
reel handle (optional)
holes for attaching the hub to a ground stake
easy to print without support nor big overhang
Material needed:
BNC connector
Banana plug (male and female)
torroid for the 49:1 transformer
68ft of 20ga wire
solder, glue and various tools
this antenna do not compare with any commercial one ive seen.
MAXIMUM of 1.5:1 SWR on the four bands, this is without cheating like adding a loading coil or a resistor as some manufacturers do. this is a resonant antenna and doesnt require a tuner.
here my screen is calibrated as so the bottom is 1:1 and the top is 2.5:1.
