If you are interested in Auroral Propagation this site will give you up to date info. Shows Auroral ovals colour greyline plots & lots of other useful information.
Go directly to the page about Meteor Scatter
150W 6M PA using a BLW96 Originally published in "RadCom" June 1986.
The button below will take you directly to info on my 80M in line 3 Element Phased Vertical Antenna.
Calculate Impedance V & I along a length of coaxial cable.
Design T and PI Phase Shift Networks for Phased Arrays
Radcom Plus article: "Vertical Phased Arrays From Compromised Locations".
Covers the theory & design of 2 and 3 element in-line vertical phased arrays.
Mathcad files are also available to do all of the complex number crunching.
Nokia Dolphin TTRX Modifications for a 200 Watt PA on the 70cmc band.