Matthew Steven's Thought Box

Commentary on ham radio, computer programming, education, authority, poetry, and dogs

Slim Jim, A Mighty Clever Antenna

10/15/07 | by admin

| Categories: Ham Radio AI1P

I just built a Slim Jim 2m / 70cm antenna that is looking like it will stay below 1.3:1 SWR on 2m and below 1.7 on 70cm. It took a propane/oxygen torch, some tin solder and flux, and one 10′ section of 1/2″ copper pipe along with elbows and a T for mounting. One SO-239 connector with 18 awg solid copper wire provide an adjustable tuner at least until I get the sweet spot when I will solder them down and add some waterproofing.

Matt's Slimjim

Matt's Old Antenna Mast

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Matthew Steven's Thought Box

Matthew Steven is a lifelong technology enthusiast. He has been in the business of creating ecommerce web applications, solving problems on UNIX platforms, and hosting servers since the earliest days of the internet. He is active in community service, plays classical guitar, and has a number of furry children.