Feed lines are the cables used to connect antennas to receivers and transmitters. The most important characteristic of a feedline is its characteristic impedance. Many different factors affect the characteristic impedance of a feedline, including the distance between the center of the conductors and the radius of the conductors.
Read MoreOPERATING : First Shot at Copying ISS SSTV a Moderate Success
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Last weekend, I read several Tweets and several reddit posts of guys boasting that they were able to copy the slow-scan TV transmissions from the International Space Station. Since many of these guys were using handhelds and cellphones, this didn’t sound like rocket science (pun intended).
Read MoreOPINION : Presentation promotes POTA potentials
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My friends, Tom, W8TAM, and Julie, K8VOX, have become Parks on the Air (POTA) masters (monsters?). Last year, they gave a standing-room-only presentation at Dayton, and recently presented at the Orlando Hamcation.
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