| The quest for ever reduced sizes of efficient HF transmitting antennas is a compulsive exercise which one has great difficulty in dropp...
| The quest for ever reduced sizes of efficient HF transmitting antennas is a compulsive exercise which one has great difficulty in dropp...
| The starting point for this design is the well-known 5/8-lambda whip antenna with base coil as used for mobile communications in the 2-...
| Waste not, want not! Radio amateurs are a breed of electronics enthusiasts who like to see every milliwatt of their precious RF power arri...
| The electronic antenna selector is intended to switch between two FM antennas by means of a legte signal.
| This is the story of a very small experimental table-top HF transmitting/receiving loop antenna of simple, low-cost construction. The word...
| For the reception of weak UHF-TV signals a good antenna is, of course, indispensable, but by itself it may not be enough. If that's the ca...
| The ferrite rod antenna described here is a most unusual conception in as much as it covers the frequency spectrum from 125 kHz to 24 MHz...