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PST-32
Antenna assembling instructions:
Take antenna parts out the box and find the semi-dipole main alluminum tubes. They are pre-assembled
inside the other tubes in a telescopic sequence. Tilt down the main tube end and shake it to have each one
inner tubes heads out for about 15 cm or 6 inch. Make sure to have enough free space to extend the entire
semi-dipole. Pull out the smaller tube, find the passtrought hole on the inner end, make it coincident whith
the passtrought hole present on the next diameter tube which has two different diameter holes, from the
larger hole side insert and push down the hallen screw passing trought the inner tube hole, put washer and
selflock nut and screw down.
Make sure to have the bolt head as in the picture below. Do not forget to lubrificate the stainless steel bolts
or nuts before to install them. Any kind of oil or grease is ok.
Do the same way for the other tubes joints. Some inner ends have more holes, they will help you in
tuning antenna on your preferite band section, use the one in the middle for now.
Make sure to have heach one tubes connection having bolts head on the same side.
When completed, insert on the semi-dipole end the trap set (following the sequence 10m, 15m) Bolt down
each one tube joint following the same way used before. Traps sets are pre-assembled already but joints in
between traps, have multi holes on the inner tubes, improving antenna tuning steps if necessary. Longer
antenna lower frequency, shorter antenna higher frequency. Start tuning operations from the highest band
Any new tuning step on the higher frequency will have effect on the other lower bands.
Make sure to have traps drainage holes on the lower side.
DO NOT seal the joints with adhesive tape or other similar element, the antenna MUST breathe
otherwise you may have serious problems over time due to condensation or moisture.
When the two seeds are ready, prepare the central plate and assemble all the parts as per photo. The
two dipole ends must protrude from the insulator of 2.5cm and a spacing of at least 1cm
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Summary of Contents for PRO.SIS.TEL. PST-32
- Page 1 PST-32 Antenna assembling instructions: Take antenna parts out the box and find the semi-dipole main alluminum tubes. They are pre-assembled inside the other tubes in a telescopic sequence. Tilt down the main tube end and shake it to have each one inner tubes heads out for about 15 cm or 6 inch.
- Page 2 Assembling dipole and reflector...
- Page 3 main antenna diagram...
- Page 4 Connect a 1:1 balun (suggested) using two short wires, not longer than 8-10 cm or 3-4 inches (connctions wires will influence the antenna tuning making it longer), if you don’t use a balun, than use a coax cable choke, open the coax ends to have two short leads like a V no longer than 3-4 cm or 1-2 inches, soldering on them two eyelet ends.
- Page 5 Install antenna on your mast, make sure to have almost 5-6meters or 15-20 ft over the roof or ground. Antenna will have the best performance if installed almost a ¼ wave of the lower frequency band, over the ground. Using an antenna analizer or a SWR meter, check the antenna tuning on each band. Antenna tuning frequency could be influenced from the environmental conditions for which could became necessary retuning it.
- Page 6 Dear buyer, thank you for purchasing a Pro.Sis.Tel antenna .. Making it we have used the best materials available on the market, worked and finished with the best care possible allowed by the state of art. Use it within the rating for which it was built and will serve you faithfully for many years. In case of doubts or concerns, our technical department is always ready to provide all the necessary help.
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