== Michael, A simple calculation is to ratio the height of the antenna attachment point times the known antenna area. or 6 * (1+54)/(9+54) = new area or 6*(55/63)= 5.2sq ft. Regards, Norman W4QN "The
In a message dated 7/13/2004 10:00:23 AM Eastern Standard Time, towertalk-request@contesting.com writes: John now has nearly a dozen prop-pitch motor/selsyn cables laying on the ground without any in
In a message dated 8/2/2004 12:07:43 PM Eastern Standard Time, towertalk-request@contesting.com writes: Could a couple of you take a look at the Grainger model # 5K539 gearmotor and see if this would
excerpts of comments on the subject - -- I am quite sure that you cannot easily manufacture the required grounding blocs yourself???? -- Affraid if you are not going to set-up a production line, you
In a message dated 9/20/2004 12:07:21 PM Eastern Standard Time, towertalk-request@contesting.com writes: Has anyone come up with a method of attaching a small VHF or UHF antenna at or near the top of
73, Tom W8JI == Tom, It should be 1:1, it uses a coil of Coaxial cable and a length of #10 of insulated wire to make the balun. I had the predecessor to the TB6E called the TM-30C, it was the same de
In a message dated 9/29/2004 4:34:20 PM Eastern Daylight Time, towertalk-request@contesting.com writes: Could anyone help me with the measurements of the Hairpin match used on the Telrex TB5EM. I pur
In a message dated 9/30/2004 12:09:34 PM Eastern Daylight Time, towertalk-request@contesting.com writes: So, getting to the question: What degradation in performance should I be expecting to see by v
In a message dated 10/30/2004 8:38:02 PM Eastern Daylight Time, towertalk-request@contesting.com writes: Does anyone have a schematic for a US Tower HDX589MDPL control box that mounts at the base of
Keith, The likely problem is accumulated condensation, the secret to keeping outdoor boxes dry is a "weep hole". Of course doesn't work if submerged, but does solve the problem of the internal pressu
In response to the question below, Cubex has aluminum splicing material for 3" O.D. X 0.050 -0.060" Boom material. We also can supply a splice for heavier walls aluminum of up to 0.083". This require
Rick, I received your other email and will FAX you the data as soon as I relocate them - we are very busy at Cubex with antenna requirements. Some clues on operating from a "local" position at the co
In a message dated 3/11/2005 12:09:48 PM Eastern Standard Time, towertalk-request@contesting.com writes: Does anyone know of a high power balun for tri band quad that will match or be somewhere in th
Bob, The problem to be solved when feeding a multi-band quad is matching the impedance that each band presents. Typically 20m will range from 50 to 75 ohms, 15m 75 to 90 ohms and 10m typically is abo
Scott, There are several sources of fiberglass tubing suitable for masts or other antenna support systems. One of them is Cubex Co., Inc - www.cubex.com/hard.htm will lead you to the parts page. We c
== Cubex Quad company has a product called the Skypole, a 42 foot fiberglass/aluminum mast and vehicular mounting system. The base system allows raising the mast from any direction. The mast mounting
== Cubex Quad company has a product called the Skypole, a 42 foot fiberglass/aluminum mast and vehicular mounting system. The base system allows raising the mast from any direction. The mast mounting
I'm trying to find your "Skypole" on your website? Where is it? == To the Tower Reflector We are in the process of updating the website and had a problem so the new stuff has not been entered yet whi
Julio, W4HY S. Markowski Jr. KM9M Tod R. Sudmeier K6SUD Roger Agnew K1KQ Larry K1ZW John E Bastin Thanks to the efforts some of the readers a temporary solution to see the Skypole information was fou
Doug, One caution on your assumptions below. Check with local authorities on generator locations, pad requirements and noise rules. Many have requirments that it must be a poured pad, specific locati