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Technical Topics => Equipment => Topic started by: Matt285 on August 20, 2019, 1621 UTC

Title: Par end fed EF-SWL antenna
Post by: Matt285 on August 20, 2019, 1621 UTC

I was just reading reviews for this antenna and all were great. I was thinking this might be a good choice for portable operation. $75.00 isn't outrageous, but I'm just wondering what makes this antenna better than a piece of wire and what is in the box where the SO239 is located. Could this be engineered easily? Thanks

Title: Re: Par end fed EF-SWL antenna
Post by: ChrisSmolinski on August 20, 2019, 1646 UTC

Looks to be a 9:1 transformer in the box on the end, standard binocular core.  Basically one of my 450 ohm cyclops antenna transformers :)

https://www.blackcatsystems.com/rf-products/cyclops_rf_ham_shortwave_radio_matching_transformer.html