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Showing posts with the label NVIS antennas

Simple Antennas for the Amateur Radio Operator--a continuing series

KH6JRM's Amateur Radio Blog Post 167 INTRIGUING ANTENNAS Hawaii Island dodged a potentially wet weekend with the passing of tropical depression "Daniel" Thursday evening.  The island is receiving some high surf and a few heavy showers, but that's about all the storm could do.  "Emilia" is still churnging about about 1000 miles to our east, but, it too, is predicted to track south of Hawaii Island.  The hightened alert gave amateur radio operators here a chance to check out their emergency "go" kits and review their own procedures for such continguencies. While I waited for the bad weather to pass, I found three articles in the 13 July 2012 edition of "e-ham.net" that could provide antenna ideas. For those amateurs involved in emergency communications, a good NVIS (near vertical incident skywave) antenna is a must for regional HF  operations out to about 300 miles.  Pat Lambert, W0IPI, has published an excellent tutorial on NVIS