Must have put up a dozen of these things. As mentioned by another poster, they can be a little tricky to tune but work fine once set up. Tips: Finding UV-resistant spreaders can be a problem. I've ha
I need to come up with a log-cell yagi that will cover 144.2-162.55 MHz. Boom length minimum is 68" and maximum is 100". I'd be grateful for advice to locate a site which has a log-cell Yagi-Uda calc
I'd be grateful for the address of a web-based parallel wire capacitance calculator. 72, Tim ____________________________________________________________ Get Free Email with Video Mail & Video Chat!
An article in one of the popular amateur radio magazines recently suggested using stainless steel drain strainers in conjunction with stainless steel nuts, bolts and lockwashers as a way to connect r
Had the HDR-300 some years ago. The "brake" (a grey thing, supposedly held in place with a setscrew) fell off and allowed the antenna mast to windmill. Had to change out 7 lines in the winter at the
Leo Meyerson W0GFQ will celebrate his centennial this February 24th. Those of a certain age will remember Leo as the proprietor of World Radio Labs. The QCWA, through K0BC requests that QSL cards wit
The Switch on the controller for my TR-44 rotator is faulty., I'd be grateful to know of an honest merchant where I might get the switch and, while I've got the thing open, the big capacitor as well.
I'd be grateful to know the details of the matching coil at the base of the Hy-Gain 12 AVQ. uH, turns, diameter, wire gauge and spacing between turns, tap point...etc. Failing that, any suggestions o
The burial grade of RG-6 has a sticky gel impregnating the braid(s.) Theory being that if the cover is nicked, the gel will ooze out and preclude water entry. I've been told, but have not been able t
Currently reprogramming the memories in several radios. Some years ago, there was a site that had the most popular 2 meter and 440 repeaters. A search of the net revealed only a listing from 2002. I'
Looking for a diagram for a 2 element 15 meter "ZL Special" using PVC pipe and rope catenary. A Google search produced dozens of dead ends. 72, Tim ___________________________________________________
Want to buy "Bud" tower. Either 11" or 8" models. "Bud" tower is made from formed aluminum with riveted stamped aluminum diagonal braces. 72, Tim _____________________________________________________
I'm rebuilding a TH-3 which has been stored under a shed for at least a decade. The elements are now oxidized to a dark grey with parts of the elements having bumps of white powder on them. The trap
Thanks to the good folk who took the time and went to the trouble to give me suggestions on how to clean the aluminum elements on my long-stored TH-3. 72, Tim ________________________________________
I've got a pair of crystal filters I'd like to know about. What do they fit and what are they worth? ....FREQ 8830 kHz Used, with coax, capacitors and resistor. 72, Tim ______________________________
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I'd be grateful for preliminary values for a loading coil for a top loaded "T" vertical. Frequency of operation is 1.830 MHz. The loading coil will be mounted at the intersection of the vertical radi
On 12/12/2011 10:07 AM, Ray Benny wrote: Grant, What is "threaded Aluminum conduit? Besides recycle yards, can it be bought commerically? I want to make up some sort of falling derrick for my 60ft al
Our Sears Hardware has a clearance sale on 16v Lithium-Ion battery packs for $9.97 part: 320.11208. It was designed to power an electric drill. Today was also (unadvertised) "Seniors {60+} 10% off" d