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The common workaround for FM radio was to use the wired earphones plugged into the phone as an antenna. But FM radio is usually extremely, unbelievably strong (
by anyfoo 2y ago
The common workaround for FM radio was to use the wired earphones plugged into the phone as an antenna. But FM radio is usually extremely, unbelievably strong (a lot of hams know that), so YMMV for other bands with much lower power signals.
- vel0city 2y agoThat and an average headphone wire being somewhere around 3ish feet is pretty close to a quarter wave for commercial FM frequencies.