![Amazon.com: Shark Antennas S-F20 Mono Band HF 20 Meter Mobile Vertical Antenna with 3/8x24 Threads, Handles 250W Max : Electronics Amazon.com: Shark Antennas S-F20 Mono Band HF 20 Meter Mobile Vertical Antenna with 3/8x24 Threads, Handles 250W Max : Electronics](https://m.media-amazon.com/images/I/51gtAevsL7L.jpg)
Amazon.com: Shark Antennas S-F20 Mono Band HF 20 Meter Mobile Vertical Antenna with 3/8x24 Threads, Handles 250W Max : Electronics
![antenna construction - 3 Band (80-40-20 Meter) Fan Dipole Tuning Question - Amateur Radio Stack Exchange antenna construction - 3 Band (80-40-20 Meter) Fan Dipole Tuning Question - Amateur Radio Stack Exchange](https://i.stack.imgur.com/8JH90.png)
antenna construction - 3 Band (80-40-20 Meter) Fan Dipole Tuning Question - Amateur Radio Stack Exchange
![Antennen-Antenne kurzwellige Strahlung 40-Meter-Band 20-Meter-Band, zufällige Drahtantenne, 20 Meter Band, 40 Meter Band, Antennen png | PNGWing Antennen-Antenne kurzwellige Strahlung 40-Meter-Band 20-Meter-Band, zufällige Drahtantenne, 20 Meter Band, 40 Meter Band, Antennen png | PNGWing](https://w7.pngwing.com/pngs/690/82/png-transparent-aerials-random-wire-antenna-shortwave-radiation-40-meter-band-20-meter-band-random-wire-antenna-angle-text-radio-station.png)
Antennen-Antenne kurzwellige Strahlung 40-Meter-Band 20-Meter-Band, zufällige Drahtantenne, 20 Meter Band, 40 Meter Band, Antennen png | PNGWing
![KA7OEI's blog: Interesting signals on the 20 meter band: Probable Radio Habana Cuba transmitter malfunction - not jamming KA7OEI's blog: Interesting signals on the 20 meter band: Probable Radio Habana Cuba transmitter malfunction - not jamming](https://1.bp.blogspot.com/-9wYgr0hfYsw/X7PmPduChNI/AAAAAAAAHbw/5XPwzvWeBqsQico7c98hCU0QPdH17jICACLcBGAsYHQ/s1582/websdr2_qrm_1a.jpg)
KA7OEI's blog: Interesting signals on the 20 meter band: Probable Radio Habana Cuba transmitter malfunction - not jamming
![20 meter band all day today! 100watts and a PAR EF-20 antenna. My first contact was Brazil, over 4500 miles away! I love this hobby... : r/amateurradio 20 meter band all day today! 100watts and a PAR EF-20 antenna. My first contact was Brazil, over 4500 miles away! I love this hobby... : r/amateurradio](https://i.redd.it/new8s2p089o31.jpg)