Канал: Evil Lair Electronics

EFHW Facebook groups are a dumpster fire - Part II

EFHW Facebook groups are a dumpster fire - Part II

An efficient 40-10m EFHW antenna for portable ops

An efficient 40-10m EFHW antenna for portable ops

EFHW Facebook groups are a dumpster fire - Part I

EFHW Facebook groups are a dumpster fire - Part I

Trash that FT140-43! EFHW xfmr geometry STILL matters!

Trash that FT140-43! EFHW xfmr geometry STILL matters!

An EFHW antenna for 60 meters & 30 meters, plus 1 more band if desired

An EFHW antenna for 60 meters & 30 meters, plus 1 more band if desired

EFHW antenna transformer - 52 mix core loss measurement

EFHW antenna transformer - 52 mix core loss measurement

EFHW antenna - low loss QRP core

EFHW antenna - low loss QRP core

EFHW antenna tranformers - core geometry matters

EFHW antenna tranformers - core geometry matters

EFHW antenna transformers - cumulative losses from prior 3 videos

EFHW antenna transformers - cumulative losses from prior 3 videos

EFHW antenna transformers - capacitor loss comparison

EFHW antenna transformers - capacitor loss comparison

EFHW antenna transformers - loss difference with different winding styles

EFHW antenna transformers - loss difference with different winding styles

EFHW antenna transformers - bifilar vs tapped primary

EFHW antenna transformers - bifilar vs tapped primary