50:200 ohm (4:1) HF Balun or Unun Core Kit, 3-31 MHz, 250 watts - Antenna Products - Palomar Engineers®
4:1 1500 W Balun Kit
How to make a 4:1 balun cheap and easy | Radioamador, Magnetismo, Eletrônica
DIY 4:1 Balun Build for Ham Radio Antennas - TheSmokinApe - YouTube
4:1 QRO Balun - The DXZone.com
Guanella Current 4:1 Balun - The DXZone.com
WIA 4:1 current balun – owenduffy.net
Transmission line baluns for VHF and UHF · One Transistor
Construction Project – QRP 4:1 BALUN | Get out of the Radio Shack and Live Life
DK7ZB-Balun 1:4
4:1 Current Balun | M0PZT
How to make a 4 to 1 balun cheap and easy - YouTube
DK7ZB-Balun 1:4
FT240-43 Balun 1:1 + UnUn 4:1 1-54 MHz 2kW | eBay
10sd156 Leon Guanajuato Mexico: BALUN 4:1 9:1 Y 16:1 | Antenas para tv, Radioafición, Radioaficionado
Build you own 4:1 BALUN with coax (045) - YouTube
Step-By-Step Construction of a 4:1 Current-Type Balun - IW5EDI Simone - Ham-Radio
Balun 4:1
How does a 1:4 current balun work? - Amateur Radio Stack Exchange
Homebrew A 4 To 1 Balun
Balun 4:1
4:1 Current Balun | M0PZT
4-1-balun | TA7OM - Amateur Radio
1:4 ANTENNA BALUN | TA1HF TURKEY RADIO AMATEUR WELCOME
Balun Guanella Current 1:4
4:1 current balun – review and fix – owenduffy.net
Ham Radio Site - {Balun Pictures}
1 KW 4:1 Ruthroff (Voltage) Balun • AmateurRadio.com
