Forum Discussion
wa8yxm
Jun 02, 2022Explorer III
Re that folded wire dipole.
A folded dipole like that has an impedance of around 300 ohms
The radio is more likely "Something different" Coax is typically 75 (But not sure on auto radios.. Long mathematical story) Best reception requires a match.
If the antenna is a "Stubby" A longer antenna will help BUT if it's too "Tall" (Over 13') there is a chance it can be a problem going under a low bridge.
And for GDE trailer.. I did say they might not work.. I checked and you did a good job of explaining why.
A folded dipole like that has an impedance of around 300 ohms
The radio is more likely "Something different" Coax is typically 75 (But not sure on auto radios.. Long mathematical story) Best reception requires a match.
If the antenna is a "Stubby" A longer antenna will help BUT if it's too "Tall" (Over 13') there is a chance it can be a problem going under a low bridge.
And for GDE trailer.. I did say they might not work.. I checked and you did a good job of explaining why.
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