Why we study and test EFHWA?
The advantege of EFHWA for SOTA or a walking mobile station are as follows,
(1) small,light,simple,cheap and easy to understand the principle
1) It's a basic wire antenna and easy to get a multi-band antenna.
2) The coaxial cable can be shortened (even if the matching box is directly attached to the rig!)
3) Basically one loading coil is enough (no need to attach to both sides!)
(2) Easy to install and can be installed in various places
1) There is a feeding point on one end, and it can be easily installed with one pole.
2) Easy to install vertically and does not take up space (even in tourist spots like Kamakura, it can be managed)
3) No need for ideal ground (useful characteristics for balcony antennas!)
(3) Good performance as it is, and can communicate with overseas stations.(Thanks Big Guns!)
1) Basically the same performance as a dipole antenna
2) Easy to install vertically and easy to obtain a low launch angle
3) lambda/2AlambdaA3lambda/2A2lambda,etc.@The longer the antenna wire, the higher the gain.
