50MHz J-Pole Antennapop
- Need a general purpose antenna on the magic band? The J-Pole is an easy-to-build and inexpensive device that provides an omni-directional vertically polarised antenna without the need for a ground plane. In technical terms, it is an end fedvertical 1/2 wave which is fed via a 1/4 wave matching stub.
W8JI Technical pagespop
- Amplifier, vacuum tube, receiving beverage loop vertical and transmitting antenna system technical information radiation resistance, EH antenna, noise,receivers, and information on keyclicks.
- Graphic viewer for shortwave broadcasting and programming schedules. Supports viewing schedules in an expanding table and on a 24-hour Gantt chart using the local time and the UTC time display modes. Runs on multiple platforms.
- Ferrite Toroidal Cores, Magnetic Properties of Ferrite Materials, EMI - RFI Suppression
Design Considerations, Ferrite Beads, Ferrites for RFI Ferrite Cores for RFI Suppression
by CWS ByteMark