4F1KJA personal Repeater Kenwood TKR 750 \

(7:35)

4F1KJA Dipole Wide Band Antenna

(22:41)

4F1KJA to RCAAF 1st Orientation Seminar

(15:41)

4F1KJA Duplexer Calibration

(10:3)

4F1KJA Repeater Installation Video

(14:33)

4F1KJA on DZ1PUP Maragondon Z-zoned - Radio Engineering Circle...

(7:42)

4F1KJA Arduino Station ID

(20:30)

4F1KJA Homebrewing the Hustler G7 Antenna

(12:8)

4F1KJA Restored the finals of ICOM IC-28H

(4:29)

Quarter 1/4 wave, Ground plane DIY VHF Antena,

(1:15:1econd)

Folded Dipole 4 stacked antenna for UHF 410 to 480mhz

(13:8)

4F1KJA Restored the Kenwood TR-7950 Display

(10:56)

4F1KJA ICOM IC-2200H Sariwang Sariwa

(9:46)

4F1KJA Restored a Kenwood TKR 850 RX Sensitivity

(3:26)

Building a cheap lightweight dipole for VHF or UHF

(12:10)

Radio Engineering Circle Propagate\u0026Radiate Free Webinar # 1

(3:10:42)

How to install duplexer to Repeater |Kenwood NXR-810

(15:23)

Kenwood - Site Roaming with KENWOOD radios

(10:43)

4F1KJA for Lloyd Wan Alinco DR-138

(14:4)

4F1KJA for SOLCOM 606 RPT Installation long version

(34:50)

4F1KJA on 4 Element Straight Folded \

(8:16)

4F1KJA Webinar 9 Element 4 Amateur Radio Practice

(2:16:18)

4F1KJA Restored BASECOM and Steady Volt Regulated Power Supply

(7:18)

4F1KJA modified G0KSC 8 Element LFA Antenna for 50.11 Mhz under 6 meter Band for DU1EV

(6:22)

4F1KJA for DW1PPZ Air Band Dipole Antenna

(8:31)

4F1KJA Analyzing the ICOM IC-28H after 3 years and 6 Months Continious Transmission

(2:6)

4F1KJA Twin 13 X-Yagi Antenna

(4:18)

4F1KJA on DAIWA LA 2080H

(31:58)