2.42 Ghz 15 Element High Gain Yagi Antenna for WiFi

5 years ago

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

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

6 years ago

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

UHF Yagi antenna 435-445 frequency sweep analysis

6 years ago

This is a short video demonstrating the performance of N1201SA RF Vector Impedance Analyzer in comparison with Diamond SX400 SWR…

N1201SA VNA – VSWR read out compared to Diamond SX400

6 years ago

Diamond SX400 VSWR Meter features So for quick specifications the Diamond SX400 The SX400 measures forward and reflected power and…

Arduino Nano technical notes

6 years ago

Arduino Nano Technical Specifications MicrocontrollerATmega328P – 8 bit AVR family microcontrollerOperating Voltage5vRecommended Input Voltage for Vin pin7-12vAnalog Input Pins 6…

UV3R Schematic Diagram

6 years ago

UV3R Specifications Technical Specification - GeneralFrequency Range | 136-174/400-470 MHzChannel Capacity | 99Channel Spacing | 5/6.25/12.5/25 KHzOperating Voltage | 3.8VRF…

Replacing broken RF finals QYT KT8900 and adding fan modification.

6 years ago

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

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

6 years ago

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

3 Elements Yagi 2m at 146Mhz dimensions

6 years ago

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

3 Elements Yagi nominal range at 5 watts

6 years ago

This is a testing video for 3 Elements Yagi (Lightweight End Mount) using a portable HT Cignus UV85 (A Baofeng…