• GIGAVAC Ham Radio Relays by dxzone.com

    www.dxzone.com/cgi-bin/dir/jump2.cgi GIGAVAC Ham Radio Relays Gigavac is a leading designer, manufacturer, and worldwide seller of contactors and high voltage relays using vacuum, gas filled, and high ...
  • 160m inverted L by W6SDO by dxzone.com

    www.dxzone.com/cgi-bin/dir/jump2.cgi 160M INVERTED L Another antenna added from the antenna ... Two vacuum relays are used to select the correct amount of the coil for a particular band segment.
  • tubes / 156 Links - Page 1 - The DXZone Amateur-Radio Guide

    www.dxzone.com/tag-tubes Antique Electronic Supply - Antique Electronic Supply has a complete line of vacuum tubes. We feature Svetlana vacuum tubes for amateur radio, broadcaasting and audio ...
  • tubes - Manufacturers: Tubes & Semiconductors

    www.dxzone.com/catalog/Manufacturers/Tubes___Semiconductors The DXZone.com list in Manufacturers/Tubes & Semiconductors a curation of 21 useful links about tubes,radio,vacuum,ham radio.