Well, from U.S. Towers the Registered Professional Engineer (State of California) requires the base for the TX-455 to be a single pour. "footing shall be a continuous pour such that cold joints will
As I understand lightning, it happens when the difference in potential between the "sky" and the "ground" becomes great enough that a discharge becomes the law. I'm told that one way to help ensure t
Force 12 has announced a new antenna the XR-5. It is a 5 band (20-10) antenna with the "forward stagger", multi-monobander design developed by Force 12. The specs look pretty good. It has a relative
There was a thread here not too long ago that talked about various anti-oxidant/joint compounds for ground systems. There was a copper based goo mentioned during that thread (I thought I saved the me
Thank you all for a prompt response. My memory has now been duly refreshed and I can proceed to buy some of this stuff.. Thanks to: Phil, KB9CRY; Zac; and Jim, W1UK; Don Bozarth W6DRB
What is a good source for these AB Chance screw anchors? Don B. W6DRB List Sponsored by AN Wireless: AN Wireless handles Rohn tower systems, Trylon Titan towers, coax, hardline and more. Also check o
It's time to get some aluminum up in the air, so I have been looking at various towers. I'm looking for something around 70', crank-up, freestanding, it will initially be used with an antenna with 8.
Well, first you need to know something about Sacramento. It's known as the City of Trees... there are plenty. My first 260 countries were worked on a trapped dipole centered by a 40' TV mast on the r
The KI7NF article appears in the ARRL Antenna Compendium - Volume 6. Don W6DRB web. them Weather Stations", and lot's more. Call Toll Free, 1-800-333-9041 with any questions and ask for Sherman, W2FL
Having just gone through the process of erecting a 55' crankup, I offer the following. 1. Here in CA each county has different regulations for towers. In my area, the tower had to withstand 75mph win
And I forgot 3 items: Coax Standoff arms $89 Thrust Bearing $119 Mast $212 -- $420 added to that $8,673 makes $9,193..... closer still to that 10K guestimate... Don B. the cage, $800. footing 2, wren
The soft glow of vacuum tubes always had a sort of charm that is lost with solid state equipment... I remember buying my first transistor in '58 or '59... Ratheon CK-722. Built a little audio amp and
Powell has been a disaster on more than one front. The new commisioner should be someone who supports rather than destroys the intent of the 1996 communications act, and should be open to opinions th
First off, ham radio is a hobby... something done for pleasure and relaxation. That's not to say that it doesn't get wooly in a contest pileup. "Dumbing down" (not so sure I like the moniker) has bee
Hydrogen does strange things in strange places. While not "hydrogen embrittlement", we have a similar case in the world of fiber optics.... "molecular hydrogen intrusion". If a fiber cable is routed
Sean, What you need to find is the "deviation" (the difference between true north and magnetic north) at your QTH. Aeronautical charts are accurate, and do contain information about deviation. If you
I've had the XR-5 up in the air for two years, and have no complaints. It's small enough to fit on a city lot like mine, and has enough gain to be worth the effort. It doesn't use traps with all the
Is there a forum somewhere where HF interference caused by plasma tv's is discussed? TIA Don Bozarth W6DRB _______________________________________________ ____________________________________________