Albums: WA7DUH And WB7CNV Tower Construction

WA7DUH And WB7CNV Tower Construction

Photo essay of tower project at the station of Linda WB7CNV and Steve WA7DUH. They live just outside of the Richland and West Richland city limits in Benton County. Project is to initially erect a 65 ft guyed tower, but to design it for 75 ft or higher. Benton County has an ordinance controlling "communications facilities" (BCC 11.65) which includes "communication towers and antennas." Many of the requirements are exempted for amateur radio towers and antennas not exceeding 65 ft.
138 images Submitted by WA7DUH Steve St... on Sat, 08/04/2012 - 11:19am

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Uploaded on 10/10/2012 - 5:40pm by WA7DUH Steve St... 540 visits

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Uploaded on 10/10/2012 - 5:38pm by WA7DUH Steve St... 538 visits

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Guys from Speedy Angeles Concrete, LLC out of Pasco WA do the work. They have the equipment and muscle, and did the job for a good price.

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Uploaded on 08/14/2012 - 5:30pm by WA7DUH Steve St... 538 visits

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Each of the 3 tower grounds are out abot 7 feet from each tower leg, with #4 solid copper and 1 1/2 inch copper strap back to the tower, over to the house electrical ground and down to the ham shack. Two inch rigid non-metal conduit is also buried in the trench to hold 4 runs of LMR-400 coax.

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Uploaded on 09/03/2012 - 6:26pm by admin 536 visits

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WB7CNV (Linda) bows properly to the tower gods.

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Uploaded on 08/14/2012 - 6:13pm by WA7DUH Steve St... 533 visits

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Fritz loves to ride in the cart as Steve (WA7DUH) goes to the shop to pick up SteppIR antenna parts.

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Uploaded on 09/25/2012 - 10:57am by WA7DUH Steve St... 530 visits

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Guy lines are Phillystran, a non-conductive arimid fiber. Cable grips are used for termination.

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Uploaded on 09/13/2012 - 7:03pm by WA7DUH Steve St... 528 visits

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Here is the house ground rod as we found it. It doesn't meet code. Only one ground was found or wired into the electrical panel, but code requires two, with at least 6ft separating them. The solid copper wire is also too small, and the one rod was not 6 inches below grade. So we fixed that up.

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Uploaded on 09/03/2012 - 6:26pm by admin 524 visits

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Uploaded on 09/13/2012 - 7:03pm by WA7DUH Steve St... 523 visits

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Uploaded on 10/10/2012 - 5:38pm by WA7DUH Steve St... 521 visits

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Uploaded on 09/25/2012 - 11:00am by WA7DUH Steve St... 520 visits

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Trenching between the tower base and the ham shack entrance. The picture doesn't really show the 18% downslope here, and the trencher was stuck and rolling into one of the deck support posts. Come-alongs are keeping the trencher from taking out the deck post plus the tractor is extracting.

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Uploaded on 09/03/2012 - 6:25pm by admin 519 visits

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Uploaded on 09/03/2012 - 6:25pm by admin 518 visits

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Uploaded on 10/10/2012 - 5:37pm by WA7DUH Steve St... 516 visits

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Control lines from each active element and the coax switching relays come together into junction terminals.

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Uploaded on 09/25/2012 - 11:02am by WA7DUH Steve St... 514 visits

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Uploaded on 09/15/2012 - 7:34pm by WA7DUH Steve St... 514 visits

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Assembling an element housing unit (EHU) prior to installation.

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Uploaded on 09/25/2012 - 10:59am by WA7DUH Steve St... 511 visits

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Uploaded on 09/15/2012 - 7:35pm by WA7DUH Steve St... 511 visits

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Drilling through mast for 3/8" bolt anti-rotation (no-slip).

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Uploaded on 09/25/2012 - 10:57am by WA7DUH Steve St... 510 visits

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The reflector EHU and element return fixture mounted on boom.

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Uploaded on 09/25/2012 - 11:00am by WA7DUH Steve St... 509 visits

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There is a lot of electronics and relays that go into this antenna. Pictured is Gary W7TYQ that came up to help from Yreka CA.

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Uploaded on 09/25/2012 - 11:02am by WA7DUH Steve St... 504 visits

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Gary (W7TYQ) Dave (W7DJE) and Peter (AC7SB) attach the reflector Return Element Support to the boom.

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Uploaded on 09/25/2012 - 10:59am by WA7DUH Steve St... 503 visits

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Dave W7DJE looks through the boxes for parts. Duffy helps.

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Uploaded on 09/25/2012 - 10:58am by WA7DUH Steve St... 503 visits

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Uploaded on 09/15/2012 - 7:34pm by WA7DUH Steve St... 503 visits

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Uploaded on 09/15/2012 - 7:34pm by WA7DUH Steve St... 503 visits