Small Five-Element Yagi
This small Yagi has 5.2 – 7.2 dBd forward gain with all backlobes more than 20 dB down across the FM broadcast band
post 21 May 2023
Antenna for UHF VHF Links →
Quadrifilar helicoidal antenna - Photos
Detailed view of the balun J-J used RG-400, too rigid to bend and pass through the tubing
Quadrifilar Antenna to receive 137 MGHz
Creation of a four-wire antenna to receive the 137 MHz signal from NOAA meteorological satellites
Swiss quad for 144Mhz
This antenna can be made for 50 or 28 MHz. The length of the elements is given at the bottom of the description
The 2 Element HB9CV Beam
The Beam is a coax-fed version of the ZL-Special. The reflector is fed 225 out of phase
The 2m/70cm yagi Project
3 elements on 2 meters and 4 elements on 70 centimeters
155
Detailed view of the balun J-J used RG-400, too rigid to bend and pass through the tubing
Creation of a four-wire antenna to receive the 137 MHz signal from NOAA meteorological satellites
This antenna can be made for 50 or 28 MHz. The length of the elements is given at the bottom of the description
The Beam is a coax-fed version of the ZL-Special. The reflector is fed 225 out of phase
3 elements on 2 meters and 4 elements on 70 centimeters
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