User:TheAnarcat

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I am anarcat and i hope i'm not screwing things up here too much. :)

I just passed my basic qualitification in Canada, with honors (so I can operate HF), yay! I am now AKA VA2ANK. -- TheAnarcat 21:50, 10 October 2010 (CDT)

My rig

I uploaded a few photos in this album.

New quad antenna project

A sketch of my antenna

I am working on building a new antenna, pictured right. It is based on this design, which uses a mix of PVC pipes and fiberglass rods, except I adapt it to a 20m antenna.

Here's my parts list.

Mast
Part Amount Where Weight Price Notes
tripod 1 addison ? 45.56$ ~2' x 2'
3m steel pole 1 downstairs ? 0$ to connect the boom and tripod, 1-1¼"
sandbags 3 home depot 30kg ea. 10.76$ one per leg
plywood 3'x4' home depot? ? 0$ 1' x 2' used for the beam/pole fitting - found some
Antenna and accessories
Part Amount Where Weight Price Notes
hose clamps 8 home depot ~0 0$ unit price ~2$ - found some
8"x½" plastic tube 1 home depot ~0 0$ for spreader/wire attachment - found some
Antenna (parts in shipping)
Part Amount Where Weight Price Notes
15' 1¼" fiberglass 8 mgs4u.com (type 1) 17.6lbs ~160$ - actual: 255$CAD (!!) 4.4lbs ea, unit price 19.80$
U clamps and bolts 4 home depot Rick Adams ~0 0$ included in the beam/pole fitting
boom/pole plate 1 Rick Adams ? 45$ + 30$ shipping need to drill holes, includes reinforcement pole
spider 2 Rick Adams 2.3lbs 70$USD 14oz ea. 40$/ea, seems strong and sturdy, and Rick helped me through email, let's try!
Clamps 10-pack dxengineering ~0 14.95$ to secure the feedline
4m aluminium boom 2 DX engineering 2.5lbs 24.90$
500' of wiring 1 DX engineering N/A 74.95$ only parts of this will be used (120' to be more precise)
Antenna (parts to order)
Nothing! Just waiting for parts to be shipped now. :)
Discarded approaches
Part Amount Where Price Notes
welding wire aluminium 270' spool canadian tire? ? example: Aluminium 5356 MIG alloy - too hard to find
4m 1"PVC 1 home depot ? according to Rick, this could create interference
5-way 1"PVC conn. 2 creativeshelters.com 3.08$ couldn't order, they don't accept canadian zip codes, and shipping is 30$ anyways, and I don't trust PVC
1"x½" copper pipe 8 home depot ~5$ we'll use tie-wraps instead for spreader/wire attachment
8m ½"PVC 4 home depot ? PVC pipes are too flexible to hold properly, we need fiberglass
AUG 12 copper wire 44.4m ??? 29.32$ (addison?) 48.64$ pour 2x12 22m (dubo) addison doesn't have bare wire, and dubo only has bare up to 8 gage, too big (it's mainly for grounds) copper wire never comes bare, and i may have better luck finding mig soldering wire like Aluminium-5356

Total price: ~373.77$

Total planned weight: ~25lbs? - not including 180lbs of sandbags, the pole and tripod...

Notes

  • Gauge: 10-16 AWG is okay (see AWG, that is 1.2-2.5mm or 1/10" - 1/20"), and can be insulated, according to this page
  • Using welding wire is a good idea, as the lightning bolt quad uses
  • I was suggested Dubo for electric supplies

Current blocker(s)

  • shipping: waiting for the fiberglass to be shipped -
  • spreaders: **oops!** got the wrong spreaders if i'm going with Rick's spreaders, as Rick's are 0.995"OD and 0.812"ID - the idea is that the spreader would fit *around* the spider's legs, so I need the Type 1 spreader instead of type 1L. anyways, the type 1 i stronger
  • spider: can't find 5-way connectors anywhere, and worried about the solidity of PVC, considering Rick Adam's spider hubs (40$ ea.) or custom-made, like this going with rick if we can arrange on shipping
  • boom: would prefer aluminium, like this (7$ + shipping), anything local?
  • attachment plate: plywood just won't cut it, maybe this? (~12$, need to drill holes) or any aluminium plate - rick has some, ~50$ including clamps

Références

Je collecte ici des bons sites au sujet du ham radio.

Software

This needs to be merged into Software 

  xplanet -latitude 45.5 -longitude -73.66 -wait 60 -label -projection azimuthal -fork -radius 90

  ibp FN35EM

... others to follow, there's a whole hamradio section in debian.

Stuff to buy next

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