PRO.SIS.TEL. PST152VC Guida all'installazione

Vertical HF multi band trapped antenna PST152VC - VF

Assembling instructions:

After unpacking antenna, you will find the main antenna tubes pre-assembled already, following

diameter steps.

Tilting it down, do in the way to have all tubes heads coming out from the main tube.

Assembly them as in the picture below.

Lig tly lubricate t e t reads of all bolts before installing (t e steel tends to be nailed very easily).

The fastening of the elements takes place by inserting the bolt from the wider hole side so that the

bolt cylindrical head passing thoroughly sit and and rests on the inner tube as show fig.1.

Tighten the nut. Make sure that all bolt heads are on the same side.

Using the same way, e tract and connect all sections, less than the larger diameter that has to be

assemblend before on the antenna base and then proceed to final assembly.

When all diameters are assembled, insert the set of traps in the sequence 10m, 15m and terminal

end. Traps have drainage holes that need to look down.

All the sections of tubing and the tip, have multiple holes that serve to make small tuning touches

on the various bands. Some parts are pre-assembled and pre-calibrated, if needed remove the bolt

and move the tuning point. Calibrate the antenna starting with the highest band and proceed to the

lowest bands. Longer elements lower frequency, shortening elements increase frequency.

After completing the assembly of the radiator, proceeding to the assembly of the base which

presents a whole series of holes, which have to be equipped and prepared following the pictures

sequence.

Install the 8 bolts 4 25MA in the holes in X shape and 4 16 bolt in the side hole as pictures.

Correct assembling sequence for all the bolts: bolt, serrated washer, normal nut, two flat washers

and self-locking nut. Block all tig tening bolts t oroug ly normal nut.

Continue the assembly with the two insulators in which is placed the wider pipe section 35mm.

Leave loose bolts so you can easily move the tube into its final position with the lower side

protruding appro imately 2cm from the insulator. Install on the radial 4 20MA bolt and lock, insert

a flat washer, eyelet RF wire, another flat washer and normal nut. Lock bolts of isolators and

assembling the RF choke coil (choke). Making sure that the chock is vertical for a better drainage of

the rain. The choke will short to ground any electrostatic discharge and will reducenoise.

The care and precision of this assembly will ensure a long life to the antenna.

Check that all bolts have been properly secured and completed the radiator assembly.

With the aid of the U bolts, install the base on the supporting pole and install the solid radials.

The U bolt is 50mm wide, it can get poles or tubes from 40 to 50mm.

If radials rows being installed, take care doing the work as they can also heavily influence the final

tuning. You may have to try to attempt the best point of risonance.

If you have chosen the version with solid radials, they must be installed on the two bolts that are

located under the base plate, taking care to follow the order for bandwidth, in order from highest to

lowest or vice versa. Each radial has an adjustable tip that allows small frequency change for each

band.

When assembled antenna will looks like the one in the pictures

(only 3 radials and 2 traps on PST-152VC).

Antenna with solid radials can be installed at any height. Version with wire radials will have

greater performance if installed 10-20cm over the ground with radial on the soil or roof.

Before to rise up antenna in the sky, make sure that all bolts and connections are well tightned.

Do not use guy wires, do not seal traps and tubes joints.

Specifications:

Gain = 0 dBi

Impedence = 50 ohm

Maximum power: 2KW pep SSB, 1KW CW- TTY

OS = Within 1:1,5 at center band

Lenght = about 4m

Weight = about 4 kg

Material = alluminum Al 6060 T6 stainless steel hardware

SWR diagram for eac one band.

Note: antenna could be influenced on all bands or on some one band from local environments.

If possible avoid to install it close to metal object parallel to antenna radiator.

If necessary, start the tuning operation from the higher band and step up moving to the ne t band.

Average usable bandwidt using version wit solid radials:

20m = ~ 240Kc/s

15m = ~ 500Kc/s

10m = ~ 800Kc/s

Warning:

Do not install t e antenna near power lines or equipment t at could result in

electrical contacts.

You could be seriously injured or killed.

T e antenna must be installed in accordance wit / local / national laws.

If necessary get a professional installer.

Prosistel can not be sued for damages for non-compliance of equipment rules.

Main antenna parts drawing version 10-20m

T e antenna lengt can c ange in according wit setting and/or possible environmental influences

For improvements and tec nical - production, specifications and design are subject to c ange,

wit out affecting t e final pourpose of t e product.

Solid radials

Specifications may change without notice.

Dear customer,

thank you for purchase a Pro.Sis.Te . if you are happy with it please talk to

everybody, if you are unhappy with it please talk with us.

Your feed back and suggestions, will be very appreciated, to improve our

products.

Annamaria Fiume

IK7MWR

MADE IN ITALY

Protect your environment, in case of discontinuing of this unit, consign it to specia ized

meta waste co ector.

Questo manuale è adatto per i seguenti modelli

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