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ZL2JBR New Zealand flag New Zealand

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Ham Member Lookups: 273739

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Welcome to NEW ZEALAND. Population 4,500000

Located in the Southern Pacific Ocean. Six pocket sized cities house 90 percent of the population over two large islands. If you're looking for a recreational break then New Zealand is a serious contender for you. You can even hire a 'motorized camper' and do your own thing in our safe clean green country. Summer comes in late January, ideal time to visit. Don't forget, we drive on the left side & there's and there is no tipping, and yes, your Visa card works well here.....

>>>>>>>> WANT MORE Receive? HERE'S a couple of simple ideas.....

Method One:- Use 7/8 or thicker 'corrugated coax' from Shack to Antenna coax juction, here use  5/8 or 7/8 inch low loss flexable coax to your Antenna if it is a rotary array. Corrugated feeders cannt handle  turning motions. In the Shack use the minimum number of inline accessories along with short lenghts of 5/8 or 7/8 flexable coax with crimped high quality RF plugs. This in effect now puts your Transceiver at the Antenna's feed terminals for a ultra low loss  low noise connection. To test... Disconnect coax at Antenna end.... so it now open circuit... carry out this test from the Transceiver's coax plug end... use a digital Vector meter or a simple MFJ-259 analyzer. Select coax loss mode and sweep the frequency of operation while reading the feeder loss in dB.. the idea is to keep this reading very low... The start and finish readings show you how many dB you have saved, every 2dB gained equates to gaining one additional element on your  Beam Antenna....

Method Two:-  For more gain still:- Build a rig that can raise & lower your Array's height. You probally already know your Optimin DX Pat direction.... so in this direction simply adjust your Array's height while looking for Positive signal variances over and above the start off height reading on a source receive signal. In doing so you may find several Peaks & Nulls on this signal. Once a peak is found, simply cross reference this peak with your TX signal via 'w.w.w.remote SDR dot org'. Find a suitable remote SDR receiver thats able to hear your signal, tune it to your transmitters frequency & note all the positive variance as you raise and lower your Antenna while transmitting. The receive & transmitt variances should be equal. This suggested method is a basic cross reference test for both RC & TX and confirms the new vertically height tuned position as the most effective and backup via the that  SDR test... The results gained here can be simply dramatic to say the least. Computer simulation for best height offers you 'indicative only height ranges' while my system allows custom gain extraction for your own site with factual testing methods....

Both aspects above if handled correctly will  generate more then generious results for you...

Before you leave please mark my log book above....

SWLs.... S reports most welcom... 

Performance results on U tube under ZL2JBR

73s John... ZL2 JBR

Email.... zlhamster@gmail.com

International phone number.... 0064 - 4- 2399817

Local NZ Phone number... 042399817

Standby Frequency....  SSB 14.215 Mhz

 

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1213875 Last modified: 2014-08-25 22:22:53, 7527 bytes

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