Portable Loop Antennapop
- This loop it is small and light enough to carry while operating, it disassembles into small but rugged pieces that fit easily in a backpack or gym bag, and it can be tuned from 14 MHz to 30 MHz.
This tunable magnetic loop antenna is my contribution to the well established art of amateur loop making. Can be tuned from 14 MHz to 30 MHz.
The Daily DX
- The Daily DX is the pre-eminent Internet DX bulletin. You will receive DX news that is instantaneous and unreliant on the US Postal service. Your DX news will be automatically delivered to your home or office by e-mail Monday through Friday, 50 weeks per year. Unlike other bulletins which may take 2-5 days to reach you, The Daily DX news arrives before the information is out-of-date.
How ham radio works
- How Ham Radio Works, by Gary Brown, Ham radio can be very portable and affordable. In this article, we will look at ham radio and show you how to get started in this wireless world
Global Positioning System Primer
- Welcome to the Global Positioning System (GPS)
What is GPS? What is Navigation?
GPS Elements Satellites in Space Ground Control Stations and Receivers, How GPS Works - An Amazing System, Military Uses for GPS
ON5UR QSL print service
- We are hams who design high quality full colour QSL cards. Now we print also full colour backsides on our QSL cards. 1000 cards costs only 82 Euro. For more details write email@example.com``Remember: The QSO is short, our QSL cards are forever !
430MHz ATV transmitter
- ATV transmitter on 430MHz band used with special transmitting tube named 5894 for final stage. Run about 10W average for TV signal and 20W at synchronous peak. Final stage control gird modulation works well for NTSC color video signal and good at audio as well.