Low band antennas go at the top of the mast. de Joe, aa4nn Hello again, assuming there´s no problem with this 2 antennas in the same mast 8-10 ft apart, will antenna must be on the top?? Thanks
I have used 4:! balun as you are contemplating and I have also used a length of coax soldered directly to the 450ohm open feeder line. A 1:1 balun between coax and open wire feeder would be okay, too
Your 3/8 wave 160 Inv L should be more like 58m in length. Then your series feeding capacitor would be more like 225mmf. Try to find a variable capacitor to adjust the Inv L to freq of choice. de Joe
Dr OM Flam, Not only does the tower affect your INV L, now you have let us know of the 80m slopers and another 160m antenna. These wire antennas have drastically more influence on your INV L than you
Alan, The job you have at hand is an easy one. Let your xyl hold the mast while you go around adjusting the bottom guy lines to get the mast a bit perpendicular and stable. Do the middle guys next, t
Feeding with ladder line you will need the 2x40m dipole if you want to load up for 160m and this will require the MFJ balanced line tuner. 80 and 40 will be okay also. de Joe, aa4nn _________________
Bill, do a google search on thermaleze wire. You'll want to use this wire for sure in baluns. de Joe, aa4nn' _______________________________________________ Antennaware mailing list Antennaware@conte
Tony, I believe you will find it difficult to get the separation needed for the 4 elements you are sloping off the 68ft center support. See www.comteksystem.com for the spacing of elements for a 4-sq
I meant to add that I experimented with 4 sloping dipoles off an 89 foot tower and never could make the array work. This was for 80m dipoles and I tried many variations, including using the shortened
Has anyone modeled two pennants with their feedpoints back-to-back like on the same support mast for easy switching short path to long path? In other words, does the switched out pennant influence th
On 17M you are close to 14mhz and 21 mhz, and on 12M you are close to 21mhz and 28mhz. I wouldn't even try a tuner on such a tribander. de Joe, aa4nn Lake Wylie, SC __________________________________
HI Gary, All you need do is emulate the Battle Creek Special. You can google to get specifics. The BCS uses only one wire to top load for 160m and only one wire to top load for 80m. Excellent antenna
Just make sure for 50ohm the .66 velocity factor leaves you enough cable to reach the antennas from the control box. de Joe aa4nn should I use 50 ohm or 75 and how long? 3/4 wv phasing lines? Found a