By Hans Johansson, SM0IMJ Following ST0R Southern Sudan activities the last couple of days, I’m no longer that proud to be a radio amateur. A team of people spend their time and money to make a new DXCC available to the global amateur radio community; doing a wonderful job to “add another one to our…
General Channels (Frequencies) 1) 1600-1810 KHz – this is a “teens” Band. Only for АМ modulation. The best Band for new (beginners) RU pirates. 2) 2000-2200 KHz – “150м Band” – not many RU pirates using this frequencies now. (2000-2100 KHz). 3) 2400-2600 KHz – “120м Band” – АМ modulation only. 4) 2900-3300 KHz –…
Can be used with reduced efficiency up to 150 MHz Principle of operation: Usual internal tuners or external tuner only have a limited impedance range. The matching of a short wire (short in comparison to the wavelength) with it’s high impedance is usually not possible. Further the wire is usually outdoors, the tuner sets in…
WD6CMU wrote: Field Day 2003 was the testing ground for the third generation tennis ball launcher, dubbed “Trident”. Two legs and the apex of a 400′ vee beam were hoisted with three shots, a fourth shot was used to pull a messenger line over the beam to pull it loose from tree snags — a…
Коллекция в формате DJvU, поэтому для просмотра потребуется специальный Plug-In. Коллекция с 1925 по 1941 гг. ССЫЛКА