05-22-2017, 01:43 PM
I would suggest using a small capacitor, around .001 uF will do, between the antenna terminal of the radio and the actual longwire antenna. This will keep any voltage from your AC-DC Hallicrafters off the longwire without reducing the sensitivity of the input. As Terry (Radioroslyn) has mentioned, it is not a good idea to use the same longwire on more than one radio simultaneously.
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Ron Ramirez
Ferdinand IN