DIY safe antenna wire length for clip on to portable SW receiver

Extend the Wire Length of a Typical Shorwave antenna Wind Up Reel To Improve Reception!

How to Build a Simple Linear-Loaded Dipole for Low-Noise Shortwave Radio Listening

Wenpzeray Shortwave FM Reel Antenna Telescopic External Antenna Enhance Radio Signal Reception Suit for FM SW Radio Receiver : Electronics

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DIY Radio Receivers For Cheap With Found Materials - Make

DIY Radio Receivers For Cheap With Found Materials - Make

How to get your car radio to work without an antenna - Quora

Medium Wave AM Broadcast Band Resonant Loop Antenna. : 31 Steps - Instructables

Build Your Own Crystal Radio

DIY Radio Receivers For Cheap With Found Materials - Make

Can I substitute or make use of an electrical wire instead of a 300 ohm for an antenna? - Quora

How to Make an FM Antenna (with Pictures) - wikiHow

How to Build a Homemade Radio That Really Works – Scout Life magazine

Raddy RF750 Portable Shortwave Radio AM/FM/SW/WB Receiver with NOAA Alerts - Pocket Retro Mini Radio Rechargeable, w/ 9.85 Ft Wire Antenna : Electronics

3 Ways to Build Antennas - wikiHow