I use EDZ's here for 30 and 40M. Both are fed with balanced line and tuned with either a Viking Matchbox or TT 238B. Since I expect you're going to use a tuner to go from balance to unbalanced, why d
Using EZNEC and my 40M model at 66 ft (1/2 w-length), it is 233-1174j. In free space it is 223-1132j. 73, Joe _______________________________________________ See: http://www.mscomputer.com for "Self
Check with Mike at Lighting Bolt in Volant, PA. He's on the web. 73, Joe _______________________________________________ See: http://www.mscomputer.com for "Self Supporting Towers", "Wireless Weather
Bob, Lew McCoy discussed this issue in his review of the Lightning Bolt quad in CQ some time back. W4RNL (LB Cebik) confirmed Lew's observations by modeling common feed point multi-band quads and pre
Felipe, I am using a home-brew six band quad: four elements on 10-20M and seven on 6M all on a 24 foot (7.3 meter boom). It was modeled on EZNEC before construction. I can forward my data to you, if
Mike, I owned a TT-45 several years back. If my memory serves, the tower was in three sections. The topmost section was locked into the 2nd section with a bolt or similar. I think the second section
Mike, now that I think about it, I believe the cable went down the groove in the bottom section and attached to the bottom of the second section. 73, Joe _____________________________________________
Mike, I used to play a lot of tennis and perspired profusely. My cramps were so severe, usually after a match in hot, humid weather, that I would be literally immobilized in bed with cramps from head
Buck, something isn't right. A properly constructed and tuned balanced feed line antenna should be less likely to generate TVI than a coax fed antenna because there should be little or no radiation f
Is it permissible to run LDF4-50A 50 ohm hard-line on top of the ground? I have to run about 300 feet of it, and it sure would make life easier to run along the ground. Thanks for your help. 73, Joe
Despite my windy QTH, I am seriously thinking of erecting a two element 30/40M quad on a 20' boom. The spreaders would, most likely, be in four 8' sections tapering from 2" diameter at the spider end
I have never seen one of these in the flesh, but the web site says the base piece is 1-3/4" in diameter and that it extends out to 33'. There is very little other info on the web page other than that
Although very expensive, someone once suggested using teflon coated wire for quad elements. The objective was to minimize icing and snow buildup. Seemed like a reasonable idea, and I wonder if anyone
I am getting ready to install a second LM-470 and I have to run hardline, 115 VAC, rotor cable and Ameritron remote switch cable from the shack to the tower. My guess is the total run will be around
Pete, you're not alone, although my problem is not ham radio related. I just converted a barn on my property to a garage, which is far removed from the house. After I was finished (of course), some o
Spoken like a Sicilian! _______________________________________________ See: http://www.mscomputer.com for "Self Supporting Towers", "Wireless Weather Stations", and lot's more. Call Toll Free, 1-800
I am installing an LM-470 and prefer to use a base plate for the tilt base that was designed for retrofit to an already existing concrete pad and anchor bolts. The base plate takes three 1-1/2" ancho
Gentlemen, many thanks for your kind assistance. Frankly, the range of advice ranged from common steel is satisfactory to high strength steel (grade 5 or the like) would be safer. I also talked to an
I had a Cuttler-Hammer unit installed when this house was being built about five years ago. Once when I was away, we had a storm that fried several pieces of electronics including the surge protector
Amazing! _______________________________________________ See: http://www.mscomputer.com for "Self Supporting Towers", "Wireless Weather Stations", and lot's more. Call Toll Free, 1-800-333-9041 with