Author Archives: Simone
40m 3 element Yagi
10-160 m Loop Antenna
A document I’ve cached about a delta loop antenna for the top band. Of course, as you can immagine, it requires a lot of free space….
The W3DZZ Antenna
The W3DZZ antenna revisited. A multiband antenna 80 to 10 meters by using traps for 7 MHz
Raspebrry PI for the new year
40 Meter Delta Loop
Construction: I made and put this antenna up the Friday afternoon before the ARRL RTTY Roundup (1999)! It took me about 3 hours to make and install on the tower. Most of that time seem to be used untangling the wire..hi hi I made the antenna 142 feet long. Use tiewraps at each of the
Numbers Stations
1. Introduction Sooner or later every Shortwave Listener will hear them, the Number Stations: rarely letter-groups are read by a synthezised male or female voice, are keyed in Morse code or are sent in digital mode. All transmissions start with an identifier/call, usually a 3-figure group, repeated several times. The following figure-groups specify the decryption
Recommended Repeater Operating Procedures
Recommended Repeater Operating Procedures Use simplex wherever possible freeing the repeater for necessary uses. Monitor the repeater (listen) or determine if the repeater is in use, and if there are any peculiarities in its operation. After listening for a few seconds, identify, un key and listen to see if it was quiet for a reason,
ITU Zones
6 Meter Halo Antenna Design
This halo antenna by KB1DIGÂ is made with a true Gamma Section this time and is fashioned from aluminum. Most of the parts are leftovers from old car projects. The best part is it’s omnidirectional! The 3/8″ fuel-line I used came from Summit Racing Equipment: http://store.summitracing.com #SUM-G2538, and a 25′ section costs