4F1KJA on DAIWA LA 2080H

(31:58)

4F1KJA on WEBINAR 4 Element IX: Antennas and Transmission Lines (Feedlines)

(3:28:38)

4F1KJA on Engel Cruz to restored and convert an ICOM IC-V200 to a repeater

(12:48)

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

(7:42)

4F1KJA on a Lambda DU-262-L Duplexer

(27:40)

4F1KJA on Jiesai Duplexer

(28:20)

4F1KJA on 4 Element Straight Folded \

(8:16)

4F1KJA Justification for DW1YTA on 4E BacktoBack Folded Dipole

(37:17)

4F1KJA Webinar 9 Element 4 Amateur Radio Practice

(2:16:18)

Folded Dipole 4 stacked antenna for UHF 410 to 480mhz

(13:8)

4F1KJA Restored Alinco DR-638 Dual Band Tranceiver

(12:42)

UHF 4stack back to bàck folded dipole 400 to 480 mhz (ctr. 440 mhz)

(13:12)

4F1KJA Restored the ICOM IC-A110 Air Band Transceiver

(3:12)

4F1KJA personal Repeater Kenwood TKR 750 \

(7:35)

4F1KJA Magallanes Cavite Repeater for AHL

(4:56)

J POLE ANTENNA PART 2

(29:20)

4F1KJA on Cushcraft A3S Antenna

(6:19)

4F1KJA on RADIO USERS PH MEET CAVITE 2019

(2:42:10)

4F1KJA on V8 Live Sound Card

(10:26)

4F1KJA on NAGARA TV-416J

(4:10)

4F1KJA Dipole Wide Band Antenna

(22:41)

4F1KJA on DZ1PUP Maragondon Z-zoned - Radio Engineering Circle Antenna Design

(2:31)

4F1KJA confirming the final of Icom IC-28H

(4:57)

4F1KJA Fixed Minor Damage \u0026 Re-calibrate President Grant of Trek Madrid

(15:)

4F1KJA Finally improved \u0026 calibrated a CIGNUS CG-818 RPT

(7:17)

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

(2:6)

4F1KJA Homebrewing the Hustler G7 Antenna

(12:8)

4F1KJA Calibrating a CIGNUS CP-22U UHF Antenna and RG8 Coaxial cable

(3:2)