Receiving Decoding Weather Satellites
The Quadrifilar Helix Antenna the QFH is an omnidirectional, circularly polarized antenna, It consists of two loops, which are run 90 degrees out of phase in order to produce circular polarization
post 26 Dec 2021
Satellite Antenna Links →
AO-40 Satellite Station
I recently made my first SSTV contact on AO-40 with JA5CU/1
Building a Lindenblad Antenna for 137MHz
I like Lindenblads because they're easy, cheap, robust, and good performers
Building my Eggbeater II Omni LEO Antennas
The loops should be built with # 8 AWG wire and the reflectors should be increased to about 1/4 diameter
Constructing a Cardboard-box Antenna
Choose good sturdy cardboard or other material. Cardboard is actually one of the best choices for antennas because it is very light
50
I recently made my first SSTV contact on AO-40 with JA5CU/1
I like Lindenblads because they're easy, cheap, robust, and good performers
The loops should be built with # 8 AWG wire and the reflectors should be increased to about 1/4 diameter
Choose good sturdy cardboard or other material. Cardboard is actually one of the best choices for antennas because it is very light
Antennas_manufacturers
About Rtty mode
Audio Recording
Amplifiers
Antennas Satellite
Amateur Television ATV
Aprs software
Beacon
Band Plan Ham Radio
Capitals Europe
DX cluster software
Italy provices
Italia-call-ham radio Italy provices Ham Radio Clubs Italy
EME Ham Radio Satellite
Grid Software
Ham shirts
Ham radio Magazine
Log Converter Software
Logs Search Services
Meteor scatter
Microwave
Mac Ham Radio Software
Practice with the soldering
Propagation Solar Cycle
Power Supply
PMR 466Mhz
Packet Radio TNC
PSK31 software
Prefix World
Propagation prediction
Qrp low power
QSL Printing
QRSS Amateur VLF operating
Radio old Museum
Radio portal
Surplus radio
Sstv Photo
SWL Shortwave DX Radio
Telegraph Morse code
VHF Activit
Web SDR