| This end-fed or “Zepp” or “J-Pole” antenna provides excellent results in combination with the scanner for the aviation band (108–137 MHz) de...
| This end-fed or “Zepp” or “J-Pole” antenna provides excellent results in combination with the scanner for the aviation band (108–137 MHz) de...
| Although the adverts would have you think that you can use your mobile phone absolutely everywhere, probably every owner of a GSM phone...
| With its 30 cm long, 3.2 cm diameter (12 x 11 ⁄4 inch) ‘bundled’ ferrite core, the ‘Ultima’ high-performance loopstick antenna covers m...
| The use of CW (morse) on a high-power transmitter/receiver presents a serious risk of burned antenna (coax) relay contacts or destruction o...
| This article looks at instruments and methods that can be used by both harn operators and shortwave listeners to get the most out of an an...
| This design goes to show that low noise and substantial amplification can go hand in hand in a single amplifier with excellent wideband ch...