ISOTRON ANTENNA SCHEMATIC
Manual 17-15-12 : Isotron Antennas, The HF Equation for
The antenna-to-ground capacitance of your ISOTRON antenna depends on its location with respect to other objects and to the ground itself, and how and where it is mounted. Antenna-to-ground capacitance affects resonant frequency and feed-point impedance of your antenna. For example, if the ISOTRON is mounted on a tower, somewhere near the middle,
- Manuals : Isotron Antennas, The HF Equation for Success
Isotron Antennas : - Manuals - Antennas Parts Mounting Accessories Amatuer Ham radio antennas Contact Isotron antennas Isotron, small antenna, low-profile antennaAntennas · How Do The Isotrons Work · All Products · Magazine Article Reviews[PDF]
Low Power, Crummy Antenna - American Radio Relay League
In the apartment I used second-hand, coax-fed 20- and 40-meter Bilal Isotron antennas. I mounted them on the balcony before operating and took them down when I was done. They worked great and, although the mast was six feet from my TV, I could tune a clean signal at 100 W output. December QST: Low Power, Crummy Antenna - Page 3
- How Do the Isotrons Work? : Isotron Antennas, The HF
Isotron Antennas : - How Do the Isotrons Work? - Antennas Parts Mounting Accessories Amatuer Ham radio antennas Contact Isotron antennas Isotron, small antenna, low-profile antenna
Parts : Isotron Antennas, The HF Equation for Success
Isotron Antennas : Parts - Antennas Parts Mounting Accessories Amatuer Ham radio antennas Contact Isotron antennas Isotron, small antenna, low-profile antenna
Isotron antenna DIY?
Has anyone actually seen a schematic for the isotron antennas? Just looking at the homebrew BCB version pictures, I still can't figure out exactly what he's doing. The text writeup on the forum where he posted the original write-up talks about general parts fabrication, but no real construction details.
PCS-Electronics :: View topic - Home Brew ISOTRON
The antenna is fed via 50 ohm RG58 and before it gets to the antenna I wind it 30 turns on a ferrite core (1x10 inch) as an RF choke. My first test was to drive this Isotron with 100 watts on 1640kHz. SWR was 1.5:1. I raised the Isotron about 2 meters above the ground. Bandwidth is like 10-15 kHz or even less.
Isotron 15m (modified) antenna - w0ng / Peter
Mar 17, 2017confirm the "Isotron radiating feedline theory" by placing a snap-on ferrite choke at various places along feedline and checking the SWR; tune the antenna by adjusting the counterpoise arm and coil tuning plate (when the LDG YT-100 tuner is in bypass mode) use a 15 meter Dunestar 300-21 bandpass filter
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