New video: Earchi.org S9 Antenna rocks!
The earchi.org antenna is a type of antenna designed for amateur radio use. It is also known as the End-Fed Half-Wave (EFHW) antenna, and it was first developed by Steve Yates (AA5TB) in the early 2000s.
The earchi.org antenna is a simple and lightweight antenna that can be easily deployed in the field. It consists of a single wire, typically around 66 feet long, that is fed through a 9:1 unun transformer. The transformer helps to match the impedance of the antenna to the transmitter, which allows for efficient power transfer.
One of the key advantages of the earchi.org antenna is its versatility. It can be used on multiple bands with the help of an antenna tuner, and it can be configured in a variety of different ways, such as as a sloper or inverted L. Additionally, because the antenna is fed at one end, it can be easily deployed in situations where space is limited.
Overall, the earchi.org antenna is a popular choice among amateur radio operators who are looking for a lightweight, portable, and versatile antenna that can be used in a variety of different situations.
My very first contact on my new S9 antenna was over 5,000 miles and I received a 5/9 report, from Zach in Greece. Not bad at all. See my other videos about this antenna I recently posted. This is a 31-foot vertical antenna fed to a 9:1 unun. NO RADIALS used.