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Gary - ZL3SV

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Need a QSL Card?

Gary & his wife own media, telecommunications, marketing, investment & consulting companies in

New Zealand. Take a look at our region - video

 

Gary talks with NZ's Prime Minister John Key - see video

NZ Prime Minister John Key with Letterman

 

Gary interviews Chuck Missler W6OHD on TV - video

 

Gary has been a fully licensed amateur radio operator since 1966 and operates home base and mobile. License

 

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ZL3SV Antennas & QTH

 

 

 

                     

The 50 ohm coax in to 600 ohm open wire line out (12:1 ratio) balin is on the left. The Antenna is high on a hill about 50 metres from the shack.

This is the centre feed point of the 500 metre centre feed sloper antenna. Photo view is towards South America.

 

 

 

This is the low end (300 feet above the road). The 500 metre long, centre feed sloper antenna is on top of a hill and provide good gain in a low noise environment.

This is the low end of the sloper that ends at a cliff top with the road below and swampy flat farmland beyond.

 

 

 

 

Photo of the lower end of 500 metre centre feed sloper taken from 300 metres from our property that is all native bush.

You may be able to just see the wire from left to right near the tree tops.

The photo shows 1/4 of the lower end of the antenna.

You can also see 3 valley's it crosses and despite the way the photo looks it is well clear of the trees.

 

 

 

This is the view from my radio room that over looks the River, local township and towards Nelson City.

Above - 500 metre Centre feed Sloper antenna feed line with lower end of antenna dropping below - feeder line is 450 mm spacing - 600 ohm

Looking along the long wire antenna to the east with the river, low swampy farmland and vineyards beyond.

 

500 Metre SLOPPER ANTENNA SPECS

- 160 metres to 6 metres- SWR less than 1.6:1 - 25 wavelengths on 20M (approx. 15 dbi gain)

- 500 metres long - Centre feed - two spans 250m each

- 600 ohm feeder line is 8mm thick - wire spaced 450mm.

The antenna wire is Aluminum with high tensile, steel core. Its old power line cable.

.

Balin is 12:1 ratio .3 to 60mhz - 50 ohm unbalanced to 600 ohm balanced .

.

I operate a TS430 at home base and a FT857 mobile. I don't currently own a linear AMP but I plan to build a 500 watt amp at some stage.

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I also have a half wave slopper Antenna with reflectors for 160, 80, 40, 15 Metres but it is 4-5 S points below the 500 metre sloper.

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Take a look at the Nelson region of New Zealand - Video produced by Mainland TV  - Video

 

Want to Invest in a good New Zealand company - debt free? Info on New Govt immigration rules

 

Want to move you and your family to New Zealand through the NEW Govt approved business investment scheme ? Email me

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Click on the card for a QSL card

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For QSL cards please email your call sign & QSO details. From my reply print the signed card above and fill in the details as per my confirmation email reply.

I keep the email & PC log copy to verify the QSO.

NB - Some awards may still require cards sent via post. I can not provide posted cards as I no longer have any cards plus I could not handle the number of requests.

 

I have no printed QSL cards but you are welcome to print a card from my email reply.

 

 

You can email me at -

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Nelson is at the top of the South Island of New Zealand - Nelson is marked top left

 

 

 

 

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