Hi OM,
For the novices, and mayube the OT, here are some pages updated on my
website about antennas:
http://www.astrosurf.com/lombry/menu-qsl.htm
In particular :
The mystery of radials
Antennas basics (RFI, SWR, gain, etc)
About antennas and longwires
From longwire to yagi
Others will be updated in the forecoming days.
'73
Thierry
ON4KSY