The best new links of the last week reviewed on The DXZone.com
A 9:1 voltage unun using a T-200-2 powdered iron toroid core to feed a long wire multiband antenna.
Handcrafted sending instruments for the Morse enthusiasts. K4VIZ Morse keys and paddles manufactured by K8UL.
Microstrip Patch Antenna Calculator determines the length and width in millimeters of a rectangular patch antenna.
Decode DTMF from your iPhone. Hold your smartphone close to a DTMF source and this app will decode the numbers being dialled.
The Dentron DTR2000L is an HF amplifier from the 1980 era. It uses a single 8877/3CX1500A7 tube to produce about a kilowatt of RF output. In this page NR7N includes info on operation, restoration and mods.
This online microstrip patch antenna calculator determines the length and width of a microstrip patch antenna for a given frequency