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Tower work again.

I have put my X700 vertical back on the tower and need to guy it now. Over the next few weekends I will make the three ground fixings and get it sorted. I am amazed it never fell over with the beam on it last winter.

Click images for full size photo

fixing 1

1st of 3 anchor points, top of concrete post

fixing 2

2nd of 3 anchor points, 6ft into the ground

fixing 3

3rd of 3 anchor points, on side of garage with T&K brackets

rotator cage

The 3 Guy lines fitted to rotator cage "also 80m wire to the right"

tower & beam

Finished job, seems much more stable :-) also not twisting so much now.

Tower & antennas

Full view from back of QTH. KT34A with a X700 vertical on top

Time to rip out the shack and start again

Well like most of us I have been adding and adding radio gear over time and it has got to the point where I need to re think the shack !!! .... Here is the shack as it was some time back, Its worse now.

Messy radio shack

Not sure where to start !!! But watch this space...

Well time to pull it all out...........

Radio Shack

All out and working out where it will all go.......

Ham Shack part 1

its getting there.............

Ham Shack part 2

looking better now.............

Ham Shack finished

Well this will do for now. I will soon move the Echolink server out into my garage "the fans drive me mad"

My radio shack

The Echolink node server has gone into the loft now, more space and less noise :-)

My Ham Shack

KLM-KT34A now finished :-)

Frequencies of operation:
14.0-14.350 MHz
21.0-21.450
28.0-29.750
Gain: 7 dBd +/- .3 dB across each band
F/S: 30 dB
F/B: 20 dB
Feed Imped: 50 ohms with balun supplied
Power rating: 5kW PEP
Boom: 16 ft. x 3 inch O.D.
Mast: for 2 inch O.D. (standard)
Element length: 24 ft. average
Turning radius: 16 ft.
Wind area: 6 sq. ft.
Wind survival: 100 M.P.H.
Weight:45 lbs
Shipping size: 98" x 9" x 7"
Shipping Wt. 58 lbs.

KT34A spec
The KT34 A Elements

On top of the KT34A I hope to put my Comet H422V

Newly designed High Power (1kw) 4-Band trap dipole antenna, . Can be used both straight and /or V type. When used as V type, ready to transmit from low position of 3m high from the ground. A CBL-2000, high power 2k/SSB balun, is included as a standard accessory, this also helps prevent TVI, BCI, and other possible sources of interference. Specially developed high power trap coils assure high power QSO's constantly.

Comet H422
  • Frequencies : 7,14,21,28 Mhz
  • Impedance : 50 Ohm
  • VSWR : Less than 1:1.5 at centre frequency
  • Maximum input Power : 1Kw SSB
  • Connector : M Type ( SO239)
  • Maximum Wind Velocity : 35m/sec
  • Length : 10.3m straight assembly, 7.4m V type
  • Weight : 5.4Kgs
  • Rotation Radius : 5.3m Straigt, 3.8m V Assembly
  • Suitable mast diameter : 38 - 62mm

Rotator: Emotator 1105 MSX

It handles 700 GD^2 (their formula for mass in kg x square of radius in meters - e.g. as much as a 3 element 40 meter antenna).
wind area 2.5 square meters
Brake torque 10000 kg cm
rotation torque 800 kg cm
Rotate 360 degrees in 75 or 65 seconds.
Mast diameter 40-61 mm
Maximum weight of antenna, 400 kg
6 conductor cable
weight 5.1 kg. 188 mm diameter at its widest and 350 mm high (though mast fits in the top 150 mm)

All built up and ready to go on the tower

An other view of the KT34Arotator cage

The KLM KT34A up at last

Well it is up but will be coming down next summer to have the M2 upgrade fitted as it arived too late to fit this year.

Alpha ETO Power

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