PJ2T Antenna Maintenance Project 2006-2007
Detailed Logistics Plan
Dawn at PJ2T, October, 2001
| Caribbean
Contesting Consortium PJ2T Antenna Maintenance Project 2006-2007 Detailed Logistics Plan |
|
Dawn at PJ2T, October, 2001 |
Blue = Ordered Green = On Hand Grey = Complete
| Activity | Explanation(s) | When ? | Crew | Plan of Work | Parts and Specialized Tools Needed |
| Replace boom-tower mount on 10 Europe yagi | Hy-Gain clamps are welding together with stainless bolts because of salt; antennas are difficult to remove and replace with the Hy-Gain clamp design | September 2006 | W0CG | Remove
Hy-Gain
clamp by destroying it.
Replace with PJ2T custom mounting kit.
|
Thin grinding wheel
and grinder
Fabricated mounting kit. Use DX Engineering DXE-BMP-3 boom to mast plate cut down into two parts, one for each leg, with aluminum L or U channel bolted on to make a cradle. (This will not cover tower-painting areas. Boom splice will have to be offset from tower.) (4) 1.5 inch stainless and aluminum saddle U-clamps (DXE-SAD-150A) 4) 2.0 inch stainless and aluminum saddle U-clamps (DXE-SAD-200A) Never-seize |
| Replace secondary boom U-bolt on Europe 10 yagi with non-corroding aluminum and stainless bracket | U-bolts corrode and require frequent maintenance; are difficult to remove | September 2006 | W0CG | Use half of the above assembly on the second leg. | Half of the above assembly |
| Take down Europe 10 yagi | Requires inspection, cleaning, re-weatherization | September 2006 | W0CG, John Shovic, Dana Kraft | Tram EHS cable EHS deadends Yellow hanging pulley Yellow poly rope Orange direction-change pulley (high on tower) Ground direction-change pulley |
|
| Rehab Europe 10 yagi | Metal-to-metal connections may be oxidized and need cleaning and re-coating with Penetrox; tape on gamma match may be brittle; element caps may be missing or brittle; full weatherproofing may be needed with our newest techniques | September 2006 | W0CG | Inspect and replace element and
boom caps as needed
Inspect all element clamps and replace as needed Tape and seal all element pipe straps and clamps Inspect all element to boom clamps and replace and clean where needed Inspect and weatherproof beta match and feedline attachment as needed Tiewrap and re-tape coax |
(2) 2 inch end caps
(DXE-VC-2000)
20 pack of element caps, 1/4 inch (DXE-VC-0250) 20 pack of element caps, 1/2 inch (DXE-VC-0500) New D-shell nuts, bolts, and washers in case of spalling Scotchkote Penetrox
|
| Replace bottom ocean EHS guy tail on US/JA tower; replace Phillystran guy grip | EHS guy wire is rusting, losing
material and strength
Phillystran guy grip is badly rusted |
September 2006 | W0CG, John Shovic, Dana Kraft | Replace guy and hardware
Weatherize all parts |
40 ft 1/4 in EHS cable
(2) 1/4 in EHS dead ends Duct seal Scotch 33 tape Acrylic paint |
| Replace entire ground assembly on all four boom wind guys on Europe tower | Clips are corroded Turnbuckles are corroded and nearly frozen |
September 2006 | W0CG | New attachment kit on ground end:
(4) 6 in turnbuckles eye and eye, (12) Phillystran 1200 end kits, (4)
large stainless thimble for guy anchor attachment
Duct seal Scotch 33 Acrylic paint or Scotchkote |
|
| Test TB-3 thrust bearings on Europe tower for loosenability | Hardware may be frozen, preventing lowering of the mast in October | September 2006 | (If OK, do not order new TB-3s.) | ||
| Scrape and paint Europe tower top to 80 foot point; use cold galv | Zigzags look very bad in July inspection climb | September 2006, as able | W0CG | Molupon two component paint
Brushes Gloves Spray cans of cold galv (Marchena) Utility knife blades 3M medium grit "Sandblaster" sandpaper |
|
| Replace boom-tower mount on 15 Europe yagi | Hy-Gain clamps are welding together with stainless bolts because of salt; antennas are difficult to remove and replace with the Hy-Gain clamp design | September 2006 | W0CG | Remove
Hy-Gain
clamp by destroying it.
Replace with PJ2T custom mounting kit.
|
Thin grinding wheel
and grinder
Fabricated mounting kit. Use DX Engineering DXE-BMP-3 boom to mast plate cut down into two parts, one for each leg, with aluminum L or U channel bolted on to make a cradle. (This will not cover tower-painting areas. Boom splice will have to be offset from tower.) (4) 1.5 inch stainless and aluminum saddle U-clamps (DXE-SAD-150A) 4) 2.0 inch stainless and aluminum saddle U-clamps (DXE-SAD-200A) Never-seize |
| Replace secondary boom U-bolt on Europe 15 yagi with non-corroding aluminum and stainless bracket | U-bolts corrode and require frequent maintenance; are difficult to remove | September 2006 | W0CG | Use half of the above assembly on the second leg. | Half of the above assembly |
| Take down Europe 15 yagi | Requires repair of boom and restoration of reflector, new boom clamps (4), new overhead truss assembly, inspection, cleaning, re-weatherization | September 2006 | W0CG, John Shovic, Dana Kraft | Tram EHS cable EHS deadends Yellow hanging pulley Yellow poly rope Orange direction-change pulley (high on tower) Ground direction-change pulley |
|
| Repair Europe 15 yagi | Boom is broken and reflector
element is missing Metal-to-metal connections may be oxidized and need cleaning and re-coating with Penetrox; element caps may be missing or brittle; overhead truss contains steel and must be replaced, full weatherproofing may be needed with our newest techniques |
September 2006 | W0CG | Replace boom ends on both ends
Reinstall reflector Install redesigned overhead boom truss attachment assemblies Reinstall redesigned wind boom truss assemblies Inspect and replace element and boom caps as needed Inspect all element clamps and replace as needed Tape and seal all element pipe straps and clamps Inspect all element to boom clamps and replace and clean where needed Inspect and weatherproof beta match and feedline attachment as needed Tiewrap and re-tape coax
|
Boom end tubing 2.00 x 79, no
swage at either end. (2 each) Stainless bolt, lock, nut thru boom in case old one spalls. (2 sets each) U bolts to attach wind guy bracket to boom (2), stainless and aluminum, DXE-SAD-200A New wind truss attachment kits, including boom mounting U bolt (DXE-SAD-200A), aluminum L brackets (2) to fit DXE clamps, new Phillystran clamps (1 1200 end kit)), new carabiners (2), new thimbles (Hartville Hardware)) New overhead truss boom attachment kits, including boom mounting U bolt (DXE-SAD-200A), aluminum channel piece, 1/4 inch thimble, (3) 1/4 inch cable clamps, and Phillystran HPTG2100I 0.22 inch cable (30 ft each side) (2 complete sets) New tower-connection kits for overhead boom trusses, including spring locking carabiner, 1/4 inch thimble, (3) 1/4 inch rope clips, turnbuckle, (2) complete kits (2) 2 inch end caps (DXE-VC-2000) 20 pack of element caps, 1/4 inch (DXE-VC-0250) 20 pack of element caps, 1/2 inch (DXE-VC-0500) Lots of duct seal and Scotch 33 New D-shell nuts, bolts, and washers in case of spalling Scotchkote Penetrox |
| Park 10 and 15 Europe yagis at 25 feet on Europe tower | To prevent theft until we return in October | September 2006 | W0CG, John Shovic, Dana Kraft | Use the boom-to-tower assembly
that will be installed on US/JA 20 for one yagi Use Hy-Gain clamp set for other yagi |
|
| Take down Europe 20 yagi | Requires new boom clamps (4), new overhead truss assembly, inspection, cleaning, re-weatherization | October 2006 | W0CG + climber, Cindy, N8BJQ, W4PA, W1MD | Tram EHS cable EHS deadends Yellow hanging pulley Yellow poly rope Orange direction-change pulley (high on tower) Ground direction-change pulley |
|
| Rehab Europe 20 yagi | Metal-to-metal connections may be oxidized and need cleaning and re-coating with Penetrox; element caps may be missing or brittle; overhead truss contains steel and must be replaced, full weatherproofing may be needed with our newest techniques |
October 2006 | W0CG + climber, Cindy, N8BJQ, W4PA, W1MD | Replace boom ends on both ends
Install redesigned overhead boom truss attachment assemblies Reinstall redesigned wind boom truss assemblies Inspect and replace element and boom caps as needed Inspect all element clamps and replace as needed Tape and seal all element pipe straps and clamps Inspect all element to boom clamps and replace and clean where needed Inspect and weatherproof beta match and feedline attachment as needed Tiewrap and re-tape coax |
Boom end tubing 2.00 x 79, no
swage at either end. (2 each) Stainless bolt, lock, nut thru boom in case old one spalls. (2 sets each) U bolts to attach wind guy bracket to boom (2), stainless and aluminum, DXE-SAD-200A New wind truss attachment kits, including boom mounting U bolt (DXE-SAD-200A), aluminum L brackets (2) to fit DXE clamps, new Phillystran 1200 end kit, new carabiners (2), new thimbles (Hartville Hardware) (2) New overhead truss boom attachment kits, including boom mounting U bolt (DXE-SAD-200A), aluminum channel piece, 1/4 inch thimble, (3) 1/4 inch cable clamps, and Phillystran HPTG2100I 0.22 inch cable (30 ft each side) (2 complete sets) New tower-connection kits for overhead boom trusses, including spring locking carabiner, 1/4 inch thimble, (3) 1/4 inch rope clips, turnbuckle, (2) complete kits (2) 2 inch end caps (DXE-VC-2000) 20 pack of element caps, 1/4 inch (DXE-VC-0250) 20 pack of element caps, 1/2 inch (DXE-VC-0500) Lots of duct seal and Scotch 33 New D-shell nuts, bolts, and washers in case of spalling Scotchkote Penetrox |
| Remove Europe rotor and hang it in a safe place | Clearance is needed to lower the mast | October 2006 | W0CG + climber, | Rotor hanger kit | |
| Lower the Europe mast so that 40 yagi is at top plate | Necessary prior to taking down
the 40 yagi Enables maintenance of the entire mast |
October 2006 | W0CG + climber | Come-along and paint-chipping
tools |
(2) Rohn TB-3 (or older TB-2) thrust bearings (Texas Towers) in case existing bearings' hardware is fused (Will return one to U.S. to sell if not needed.) |
| Take down 40 yagi | Needs inspection, cleaning, re-weatherization | October 2006 | W0CG + climber, Cindy, N8BJQ, W4PA, W1MD | Tram EHS cable EHS deadends Yellow hanging pulley Yellow poly rope Orange direction-change pulley (high on tower) Ground direction-change pulley Bracket to attach pulley to mast (or) make a mast-pulley assembly ahead of time |
Fabricate vertical boom steering jig (Boom is 2 1/8 in diameter.) |
| Rehab 40 yagi | Hy-Gain mast mount will probably be fused to the bolts Metal-to-metal connections may be oxidized and need cleaning and re-coating with Penetrox; element caps may be missing or brittle; full weatherproofing may be needed with our newest techniques |
October 2006 | W0CG + climber, Cindy, N8BJQ, W4PA, W1MD | Replace Hy-Gain boom to mast
mount with flat plate mount; mate this to the retained Cush-Craft 6 x 7 in
boom plate.
Replace U-bolts at reflector to boom plate if necessary Replace U-bolts ar driven element plate if necessary Clean and replace driven element wiring and pipe straps where necessary Weatherize all exposed hardware Replace overhead truss to mast U-bolt if necessary, then weatherize Inspect all four X-hat assemblies and replace hardware if and where necessary, ten weatherize as appropriate Replace plastic boom caps if needed (2 in) Replace element tip caps if necessary (1/2 in) Replace boom truss clamps if necessary
Tiewrap and re-tape coax |
Flat plate mast mount (DX
Engineering DXE-BMP-3, 18 x 24 in.), including (4) DXE-SAD-200A clamps
(2) Cush-Craft Part Number 34 2.5 inch aluminum U-bolts with saddles in case existing ones on boom plate are demaged in removal New Hy-Gain mast clamp and hardware in case above design does not work (2) Cush-Craft part number 1 2 in stainless U-bolts; (2) Cush-Craft part number 2 1 5/8 in stainless U-bolts (reflector) (4) Cush-Craft part number 1 2 in stainless U-bolts (driven element) (2) large (2.5 in diameter or greater pipe straps for insulator) (2) Pack of 20 stainless pipe straps (1) Cush-Craft part number 98 2 1/8 x 3 in stainless U-bolt (truss to mast) plus 5/16 nuts and lockwashers (2 each) (4) complete sets of Cush-Craft X-hat assemblies: Part number 190026 "key 26" formed aluminum bracket (2 each); pn 190028 "key 28" aluminum half washer (2 each); pn 010011 "key 11" hex nut 8-32 (2 each); pn 010010 "key 10" lock washer #8 (2 each); pn 010231 "key 231" machine screw 8-32 x 3/4 (2 each); pn XHR aluminum rod 3/16 x 34.5 in (2 each) (2) Cush-Craft part number 126 2 inch formed brace clamps; 5/15 x 1.5 in stainless bolt, lock, locking hex nut (2) 2 inch end caps (DXE-VC-2000) 20 pack of element caps, 1/2 inch (DXE-VC-0500) Lots of duct seal and Scotch 33 New D-shell nuts, bolts, and washers in case of spalling Scotchkote Penetrox |
| Scrape and paint mast | Top of mast is not reachable in the extended position | October 2006 | W0CG + climber, Cindy, N8BJQ, W4PA, W1MD | Molupon two component paint Brushes Gloves Spray cans of cold galv (Marchena) Permanent metal cap for mast |
|
| Put up 40 yagi | Rehab is complete | October 2006 | W0CG + climber, Cindy, N8BJQ, W4PA, W1MD | Apply anti seize on all threaded hardware | Tram EHS cable EHS deadends Yellow hanging pulley Yellow poly rope Orange direction-change pulley (high on tower) Ground direction-change pulley Bracket to attach pulley to mast (or) make a mast-pulley assembly ahead of time |
| Crank Europe mast back into position | Mast rehab is complete | October 2006 | W0CG + climber | Re-lubricate all thrust bearing hardware | Come-along
Fabricated mast clamp to attach come-along Anti seize |
| Reinstall Europe rotor | Mast rehab is complete | October 2006 | W0CG + climber | Apply anti seize on all threaded hardware | |
| Replace boom-tower mount on 20 Europe yagi | Hy-Gain clamps are welding together with stainless bolts because of salt; antennas are difficult to remove and replace with the Hy-Gain clamp design | October 2006 | W0CG | Remove
Hy-Gain
clamp by destroying it.
Replace with PJ2T custom mounting kit.
|
Thin grinding wheel
and grinder
Fabricated mounting kit. Use DX Engineering DXE-BMP-3 boom to mast plate cut down into two parts, one for each leg, with aluminum L or U channel bolted on to make a cradle. (This will not cover tower-painting areas. Boom splice will have to be offset from tower.) (4) 1.5 inch stainless and aluminum saddle U-clamps (DXE-SAD-150A) 4) 2.0 inch stainless and aluminum saddle U-clamps (DXE-SAD-200A) Never-seize |
| Replace secondary boom U-bolt on Europe 20 yagi with non-corroding aluminum and stainless bracket | U-bolts corrode and require frequent maintenance; are difficult to remove | October 2006 | W0CG | Use half of the above assembly on the second leg. | Half of the above assembly |
| Put up Europe 20 yagi | Rehab is complete | October 2006 | W0CG + climber, Cindy, N8BJQ, W4PA, W1MD | Apply anti seize on all threaded hardware | Tram EHS cable EHS deadends Yellow hanging pulley Yellow poly rope Orange direction-change pulley (high on tower) Ground direction-change pulley |
| Reattach Europe 20 wind guys on ground | Rehab is complete | October 2006 | W0CG | New attachment kit on ground end | |
| Put up Europe 15 yagi | Rehab is complete | November 2006 | W0CG + climber, K8ND, W0NB, W8WTS | Apply anti seize on all threaded hardware | Tram EHS cable EHS deadends Yellow hanging pulley Yellow poly rope Orange direction-change pulley (high on tower) Ground direction-change pulley |
| Reattach Europe 15 wind guys on ground | Rehab is complete | November 2006 | W0CG | New attachment kit on ground end | |
| Put up Europe 10 yagi | Rehab is complete | November 2006 | W0CG + climber, K8ND, W0NB, W8WTS | Tram EHS cable EHS deadends Yellow hanging pulley Yellow poly rope Orange direction-change pulley (high on tower) Ground direction-change pulley |
|
| Take down both US/JA 10 yagis and place on roof | Clearance is needed to remove 15 yagi | November 2006 | W0CG + climber, K8ND, W0NB, W8WTS | ||
| Take down US/JA 15 yagi and rest it on roof terrace | Requires new boom clamps (4), new overhead truss assembly, inspection, cleaning, re-weatherization | November 2006 | W0CG + climber, K8ND, W0NB, W8WTS | Tram EHS cable EHS deadends Yellow hanging pulley Yellow poly rope Orange direction-change pulley (high on tower) Ground direction-change pulley |
|
| Rehab US/JA 15 yagi | Metal-to-metal connections may be oxidized and need cleaning and re-coating with Penetrox; element caps may be missing or brittle; overhead truss contains steel and must be replaced, full weatherproofing may be needed with our newest techniques | December 2006 | W0CG, WB9Z | Replace boom to element clamps with stainless steel and aluminum; inspect corrosion; Penetrox and paint boom and then tape at element points Replace with Al and stainless clamp hardware for overhead truss attachment points, eliminating the forged bolts Replace with Al and stainless clamp hardware for lateral truss attachment points, eliminating the forged bolts Replace with Al and stainless clamp hardware for boom wind truss attachment points Install aluminum overhead truss support, eliminating forged steel bolts Replace steel U-bolts on aluminum lateral truss supports with stainless and aluminum hardware Replace with Al and stainless hardware
(including turnbuckles) where lateral trusses connect to braces at boom
center Replace boom end caps if necessary Replace element end caps if necessary |
(5) DX engineering DXE-BEP-5
aluminum boom to element plates; 10 DXE-SAD-300A aluminum and stainless U
bolts, 10 DXE-SAD-150A 1 1/4 in aluminum and stainless U bolts
New overhead truss boom attachment kits, including boom mounting U bolt (DXE-SAD-300B), large 1/4 inch thimble, (3) 1/4 inch cable clamps, and Phillystran HPTG2100I 0.22 inch cable (30 ft each side) (2 complete sets) New lateral truss boom attachment kits, including boom mounting U bolt (DXE-SAD-300B), (2) large 1/4 inch thimbles, (6) 1/8 inch cable clamps, (2 complete sets); use existing aluminum bracket, possibly slightly re-drilled New wind truss attachment kits, including boom mounting U bolt (DXE-SAD-300B), new 1/8 in Phillystran clamps (3), new spring loaded carabiner, new large thimbles (Hartville Hardware) (2) (2 complete sets); use existing aluminum bracket, possibly slightly re-drilled New boom overhead truss center attachment kit, including Al L-channel, 36 in high, double thick, boom mounting U-bolt (DXE-SAD-300B), 2 new forged bolts, new 6 in turnbuckle (2), (6) 1/4 inch clips for Phillystran HPTG2100I; weatherproofing (2) DXE-SAD-300B U-bolts for lateral truss attachments at boom center Hardware at center of boom lateral truss attachments, including: (1) large thimble, (3) Phillystran 1200 end kits, (1) 6 in turnbuckle; 10 ft of 1200 Phillystran in case old is damaged or too short (4 complete sets of the above) Two pack of 3 in element caps (DXE-VC-3000)
Penetrox |
| Take down US/JA 20 yagi and rest it on roof terrace | November 2006 | W0CG + climber, K8ND, W0NB, W8WTS | Tram EHS cable EHS deadends Yellow hanging pulley Yellow poly rope Orange direction-change pulley (high on tower) Ground direction-change pulley |
||
| Rehab US/JA 20 yagi | Metal-to-metal connections may be oxidized and need cleaning and re-coating with Penetrox; element caps may be missing or brittle; overhead truss contains steel and must be replaced, full weatherproofing may be needed with our newest techniques |
December 2006 | W0CG, WB9Z | Replace boom ends on both ends
Replace with Al and stainless clamp hardware for overhead truss attachment points, eliminating the steel U bolts Install aluminum overhead truss support, eliminating forged steel bolts Reinstall redesigned wind boom truss assemblies Inspect and replace element and boom caps as needed Inspect all element clamps and replace as needed Tape and seal all element pipe straps and clamps Inspect all element to boom clamps and replace and clean where needed Inspect and weatherproof beta match and feedline attachment as needed Tiewrap and re-tape coax |
Boom end tubing 2.00 x 79, no
swage at either end. (2 each) Stainless bolt, lock, nut thru boom in case old one spalls. (2 sets each) New overhead truss boom attachment kits, including boom mounting U bolt (DXE-SAD-200A), aluminum channel piece, 1/4 inch thimble, (3) 1/4 inch cable clamps, and Phillystran HPTG2100I 0.22 inch cable (30 ft each side) (2 complete sets) New boom overhead truss center attachment kit, including Al L-channel, 36 in high, double thick, boom mounting U-bolt (DXE-SAD-200A), 2 new forged bolts, new 6 in turnbuckle (2), (6) 1/4 inch clips for Phillystran HPTG2100I; weatherproofing New wind truss attachment kits, including boom mounting U bolt (DXE-SAD-200A), aluminum L brackets (2) to fit DXE clamps, new Phillystran 1200 end kits (2), new carabiners (2), new thimbles (Hartville Hardware) (2) (2) 2 inch end caps (DXE-VC-2000) 20 pack of element caps, 1/4 inch (DXE-VC-0250) 20 pack of element caps, 1/2 inch (DXE-VC-0500) Lots of duct seal and Scotch 33 New D-shell nuts, bolts, and washers in case of spalling Scotchkote Penetrox |
| Put up US/JA 20 yagi | Rehab is complete | February 2006 | ARRL CW crew | Apply anti seize on all threaded hardware | Tram EHS cable EHS deadends Yellow hanging pulley Yellow poly rope Orange direction-change pulley (high on tower) Ground direction-change pulley |
| Put up US/JA 15 yagi | Rehab is complete | February 2006 | ARRL CW crew | ||
| Replace Europe tower Phillystran dead ends on top back yard guy | Rust damage | March 2006 | ARRL CW and WPX SSB crews | Replace and weatherproof top and bottom dead ends | PLP2755 guy grip (Texas Towers)
(2)
Scab EHS cable (2) 1/4 inch EHS dead ends Come along Paint, duct seal, Scotch 33 |
| Replace Europe tower Phillystran dead ends on top wall anchor yard guy | Rust damage | March 2006 | ARRL CW and WPX SSB crews | Replace and weatherproof top and bottom dead ends | PLP2755 guy grip (Texas Towers)
(2)
Scab EHS cable (2) 1/4 inch EHS dead ends Come along Paint, duct seal, Scotch 33 |
| Replace Europe tower Phillystran dead ends on middle wall anchor guy | Rust damage | March 2006 | ARRL CW and WPX SSB crews | Replace and weatherproof top and bottom dead ends | PLP2755 guy grip (Texas Towers)
(2)
Scab EHS cable (2) 1/4 inch EHS dead ends Come along Paint, duct seal, Scotch 33 |
| Replace Europe tower EHS tail on Stone anchor top guy | Rust damage | March 2006 | ARRL CW and WPX SSB crews | Replace and weatherproof top and
bottom dead ends
Clean and weatherproof Phillystran guy dead end |
Scab EHS cable
30 ft 1/4 in EHS cable (2) 1/4 inch EHS dead ends Come along Paint, duct seal, Scotch 33 |
| Replace Europe tower EHS tail on Stone anchor middle guy | Rust damage | March 2006 | ARRL CW and WPX SSB crews | Replace and weatherproof top and
bottom dead ends
Clean and weatherproof Phillystran guy dead end |
Scab EHS cable
30 ft 1/4 in EHS cable (2) 1/4 inch EHS dead ends Come along Paint, duct seal, Scotch 33 |
| Replace Europe tower EHS tail on Stone anchor bottom guy | Rust damage | March 2006 | ARRL CW and WPX SSB crews | Replace and weatherproof top and
bottom dead ends
Clean and weatherproof Phillystran guy dead end |
Scab EHS cable
30 ft 1/4 in EHS cable (2) 1/4 inch EHS dead ends Come along Paint, duct seal, Scotch 33 |
| Replace missing element end on 6 meter yagi | It fell off | March 2006 | ARRL CW and WPX SSB crews | A-505S
5/8 in tubing, 32.5 in piece, 29 3/4 in exposed |
|
| Replace tower leg splints on WARC tower | Corrosion | March 2006 | ARRL CW and WPX SSB crews | (18) pipe straps, approx 2 1/2
in diameter
3 pieces rigid tubing, 15 in long each |
|
| Replace U-bolts on WARC rotor plate | Corrosion | March 2006 | ARRL CW and WPX SSB crews | Obtain measurements in September | (3) Non-corrosive U-bolts
Scotch 33 |
| Replace Phillystran dead end on PJ2JT tower ocean guy | Corrosion | March 2006 | ARRL CW and WPX SSB crews | (1) PLP2739 grip, Texas Towers |