<< Why not keep the ladder line all the way into the shack and put a tuner on it to conveniently cover the bands of interest. To run the open wire into the shack (like go through walls or windows, et
In a message dated 8/20/01 10:57:01 PM Pacific Daylight Time, thompson@mindspring.com writes:<< The main problem with bringing ladder line or any open wire line into the shack lies with what I call t
<< Anybody out there successfully used stepper motors to power variable caps in remote tuners? The ability to have good precision/repeatability seems idea. Chief problem seems to be obtaining one wit
<< If you need gearing for the capacitor drive, try using the reduction gear assembly found in dot matrix printers platen drives, which are thrown away, or can be had for almost free.. 73, DX, de Pat
chart, // My guess is that it should be >5-times the wire-spacing. It won't work as advertised when fed from an unbalanced tuner with a 1 to 1 balun at the output. However, a Balanced L-network anten
In a message dated 8/28/01 6:58:17 PM Pacific Daylight Time, poster@gate.net writes: << Has anyone ever used a large gun turit to sit a tower onto and then turn it through tower rings. If the tower w
<< In all good spirit and courtesy, as a retired naval officer who in younger days spent many hours in "turits", please allow me to correct the spelling to "turret", which is a term generally reserve
<< I tried to use a halfwave vertical with a parasitic reflector on the beach in Grand Cayman (ZF) two years ago. I fed my vertical in the center as a vertical dipole. I modeled it with AO, but when
In regard to the advantages of open wire line I have these comments. I keep reading all these techniques on TT on how to seal coax joints with tape and fancy sealers from wind blown rain. You don't n
<< Impedance matching losses. The efficiency of the antenna is not being questioned. Only the loss of power when coupling to it. When attaching the transmission cable to the antenna we try to have eq
shows anyone any experience with this? I don't know what program you used, but I ran a bunch of simulations on NEC3-GS. The results are fairly discouraging. With 10 WL long radials, you need thousand
In a message dated 7/1/01 11:38:12 AM Pacific Daylight Time, realex@flash.net writes: << MIke, Since you did not specify narrow or broad band, Ill take the easy route and say make a choke balun out o
In a message dated 7/4/01 6:21:14 AM Pacific Daylight Time, kbottles@rafn.com writes: << Here is another approach to "wires in the tree" that I happened across this Field Day. I was riding my bicycle
<< I need help finding documentation for a W0MLY built prop pitch and control. I have one that I had up years ago I would like to put up at my new location but have lost the prints and wiring diagram
<< PJ- I have been extremely happy with the M2 "Skip-Log" (covers 7-30 mHz). It is extremly well constructed, performs great, and the service from M2 can't be beat. 73's, Bill, AA7X Good service is g
This is a simple by passing problem and .1 ufd 600V ceramic disks work just fine. Use one of the existing solder points on each Brush for one of the of the capacitor leads. What are the power diodes
<< Many people have responded to my previous post. All responses were quite valid and appreciated--thank you. The consensus was to simply cut it for 75 meters and base load it with a variable inducto
In a message dated 7/20/01 11:42:24 AM Pacific Daylight Time, kev@ida.net writes: << After much looking, I have finally found a source for utility poles. In addition to a new 60 foot tower, I am putt
A balun work's best when it see's a pure resistance, or nearly so. A balun at the end of a piece of coax, feeding a length of balanced line that feeds an antenna, will almost be guaranteed to see a
<< Request info on obtaining Antenna Modeling software regarding stacked yagis (2 possibly 3) for 10 meters. Looking for software that is very user friendly. Your assistance would be appreciated. Tha