How To Build An SWR / Relative Power Bridge – Part 1

I start building an SWR / Relative Power Bridge. This is a simple circuit. I show you how to wind the toroid coils.

The circuit is based on Don Cantrell, ND6T’s Bitx Hacks webpage:
http://bitxhacks.blogspot.com/2017/03/

News

Nominations Sought for 2018 ARRL Bill Leonard Award

September 18, 2018 in: News No comments

The ARRL Public Relations Committee is seeking nominations for the 2018 Bill Leonard Award, which recognizes this year’s best newspaper, radio, or television news story about Amateur Radio. The award honors professional journalists or journ... Read more

Radio City has been in business for 36 years, serving generations of loyalists and newcomers to the ham radio community.

September 16, 2018 No comments
FCC Grants ARRL Temporary Waiver Request to Permit PACTOR 4 Use in Hurricane Relief

September 16, 2018 No comments
Hurricane Watch Net Remains Active as Florence Makes Landfall in North Carolina

September 14, 2018 No comments
Ham radio operators could play important role in potential Hurricane Florence disaster

September 14, 2018 No comments

App - Mobile

Antenna Tool App – Android

November 19, 2014 in: App - Mobile No comments

A tool to help ham radio, CB, and other radio users to create antennas of various types. Calculations available for dipole, vertical (1/8, 1/4, 3/8, 1/2, 5/8, 3/4, 7/8, and full wave), inverted vee, quad loop, delta loop, and yagi. Simply e... Read more