Amateur Radio

Dualband 3×5 Cross Yagi 145Mhz – 435Mhz mounting and measurements

Dualband 3x5 cross yagi 145Mhz - 435Mhz Materials preparation The bill of materials are similar to the inline version of…

5 years ago

Tuning 3 Elements two stacked Yagi – effects of feed line to a tuned antenna

Stacking two antennas - and effects of feed line to a properly tuned antenna Stacking antenna is done to achieve…

5 years ago

2.42 Ghz 15 Element High Gain Yagi Antenna for WiFi

Improving on the design of my 15 Element Yagi Antenna for 2.4Ghz Wifi band, now with a much cleaner pattern…

5 years ago

Build the 3 x 5 Elements 2m/70cm Dualband Yagi

Build your own 2m/70cm 3 Elements VHF by 5 Elements UHF Yagi antenna with excellent gain for both VHF and…

5 years ago

Replacing broken RF finals QYT KT8900 and adding fan modification.

QYT Modding QYT KT8900 has good form factor that fits in the palm of your hand. It's a dual band…

6 years ago

QYT KT800 & KT8900D and variants X-band repeater system interface

QYT KT8900 and QYT KT8900D Repeater system QTY KT8900 and QYT KT8900D chinese radios and variants have a built in…

6 years ago

3 Elements Yagi 2m at 146Mhz dimensions

Materials list 3 Elements Yagi Antenna Materials List 1″ X 0.5″ Rectangular Aluminum tubing for the boom 3/8″ Aluminum tubing…

6 years ago

Build a Sleeve Dipole Antenna for 2m VHF

Sleeve Dipole AntennaBuild a 2m VHF lightweight sleeve dipole antenna. A compact portable antenna and easy for deployment. You can…

6 years ago

Build the 5 Elements 2m VHF Yagi for the homebrewers

Antenna Matching: This is a gamma match antenna you can use the same gamma match I used for building the…

6 years ago

5 Elements Yagi SWR Response

This is the testing video of the SWR response of the 5 Element Yagi 2m VHF antenna (End Mount)Antenna pattern…

6 years ago