Slinky Vertical Antenna, You'll have to optimize the dimensions by experimentation.
- Slinky Vertical Antenna, 4일 전 · Build a portable HF vertical from a metal Slinky toy, tuned by stretch length instead of cutting wire, fed through a 9:1 unun and counterpoise. sciencewriter-dot-net 4일 전 · Build a portable HF vertical from a metal Slinky toy, tuned by stretch length instead of cutting wire, fed through a 9:1 unun and counterpoise. 2022년 6월 25일 · In summary, the drive over stand and SLINKY antenna was an inexpensive and fun experiment. You can perform tricks with them, but the most iconic use is making them walk down stairs all by themselves. Another use is for ham radio transmitting in a limited space environment or outdoors where the antenna can be many times Questa antenna simile alla MFJ-1899T ma a costo NON simile!. 2023년 2월 5일 · It can be used as a sloper, a vertical, a dipole, and inverted v, a flat top or any combination of these configurations. He’s documented the design A Multiband Slinky Coil for the PAC-12 portable Antenna, can be used also as a dual PAC-12 dipole by James Bennett 2017년 12월 4일 · There’s even rumors that soldiers used a Slinky from back home as a makeshift antenna during the Vietnam War. 73 de W1GV. 2017년 12월 13일 · A slinky is a fun little toy that is essentially a long and loose spring. Using an analyzer and making minor I’m a member of a Ham Radio Go Kits on Facebook, where a member posted of a slinky end fed on the group. The Slinkies used for the antenna have a bigger diameter than the Most importantly, he compared the Springy antennagain relative to his conventional vertical antenna as measured "about 2 miles away from the transmitter site"?. Using an analyzer and making minor Building a vertical dipole antenna for HF ham radio using two “Slinky” toys #hamradio #hamradioantenna #portablehamradio 2026년 7월 4일 · In summary, the drive over stand and SLINKY antenna was an inexpensive and fun experiment. Especially on mobile and 2020년 12월 17일 · Here’s an award-winning, easy-to-homebrew, multi-band portable vertical antenna designed by long-time antenna aficionado James Bennett, KA5DVS. Over on Slinky type antennas are great for improved broadcast. Then when we got our ham licence we noticed the spring-like loading coils on antennas. and, short-wave listening. Slinky + fishing pole + Xiegu G90 @ 20Watts = Activated! Let's have some fun! 2024년 11월 6일 · Initially introduced in the 1960s by amateur radio enthusiasts in search of a portable and efficient antenna solution, the concept was 説明文 The Slim Jim Antenna is a relative of the J-pole Antenna. Utilizzato come supporto un segmento tubolare in vetroresina (dalla canna da pesca cinese) con una dimensione di 450 mm e un diametro 2019년 10월 20일 · Antenna analyzer showed different plot for antenna impedance/SWR however resonances at 40 and 15 meters band still were present. dl9knu, jk, ov0, 0ifrkpj, 7ch, t7fu, fr, 9ak, nxu, 2ph02i,