Discover the secret ingredients to build a trapped EFHW antenna
Follow along and see the secret ingredients to build your very own trapped EFHW for 20, 30 and 40m.
@w2aew has two videos building an antenna using these parts:
• #387: How to build an...
• #388: Build, tune and ...
#EFHW #Antenna #N7KOM #SparkPlugGear
Visit Tim's channel @N7KOM
Vendors shown in this video:
N7KOM Etsy store www.etsy.com/s...
Spark Plug Gear sparkpluggear.com
Products used in this video (all links are direct):
N7KOM Microlight Trap kit www.etsy.com/c...
Spark Plug Gear 50W EFHW transformer 50W version www.sparkplugg...
Spark Plug Gear wire winder www.sparkplugg...
Omnifixo - Makers third hand omnifixo.com/
BNC Terminal post adapter www.amazon.com...
BNTechGo 26GA Silicone wire www.amazon.com...
3/32" shock (bungee) cord www.amazon.com...
50mm S hook carabiner www.amazon.com...
Build notes page from AI6XG www.ai6xg.com/...
Tuning calculator for antenna lengths - thank you @DXCommanderHQ!
www.m0mcx.co.u...
Index:
1:23 It's a trap!
3:10 Tuning
4:52 Fully assembled
5:50 Wire element lengths
8:45 Let's go shopping!
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Пікірлер: 7
Ooooooooo. Secrets unleashed
A nice round up of some useful items. Thanks for making the video. I subscribed.
Nice - I might have to build this! Didn't see a link to the AI6XG build notes page.
@VE6LK
Ай бұрын
thanks for catching that missed link - fixed :)
@w2aew
Ай бұрын
@@VE6LK Looks like the wire lengths on the linked KE6MT page are quite a bit different than those in your video: 32'4" vs 30'10" on the first leg 5'6" vs 3'10.5" on the middle leg 8'0" vs 6'9" on the final leg. Curious what actual lengths you wound up with...
@VE6LK
Ай бұрын
Feedpoint to 20m trap: 354 1/2" or 29' 6 1/2" 20m to 30m trap: 45" or 3' 9" 30m trap to end: 80 1/4" or 6' 8 1/4" My traps showed their lowest SWR point of 1:1.1 at 9.944MHz and 13.90MHz respectively.
Neat antennas! Thanks for sharing the links.