Amateur Radio Quiz:
Vintage Radios - Such a Bargain!

H. Ward Silver, N0AX, created the newest Amateur Radio Quiz titled "Vintage Radios - Such a Bargain!" N0AX says, "Who can resist taking a long look at the vintage veterans sitting along the aisles of the flea markets? Hey, I'm talking about the radios, not the attendees! 'Big iron' is making its comeback with Johnsons and Hallicrafters and Swans shoulder-to-shoulder at the hamfests. Before you test your lumbar regions by lugging one home, you might want to exercise your antique assessment skills first!"

Posted May 2013

Innovative Power Products (IPP) 90 deg Hybrid Couplers - RF Cafe Website

RF Cafe began life in 1996 as "RF Tools" in an AOL screen name web space totaling 2 MB. Its primary purpose was to provide me with ready access to commonly needed formulas and reference material while performing my work as an RF system and circuit design engineer. The World Wide Web (Internet) was largely an unknown entity at the time and bandwidth was a scarce commodity. Dial-up modems blazed along at 14.4 kbps while tying up your telephone line, and a lady's voice announced "You've Got Mail" when a new message arrived...