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PHQFH Diy Results

Email:Paul Hayes

 

I thought it might be a good idea to include a page to show the results from some of the people who have completed the PHQFH and hopefully encourage others to have a go.

I think everybody who has made a QFH will agree what a rewarding and satisfying experience it is, I know it can be frustrating but it all depends on the approach you take, You will need patience and if you don't have it then perhaps a challenge like this may teach you some, most of us want instant results but lets face it this Satellite imaging thing is a hobby for most of us and In my opinion a hobby should be something you enjoy doing which gives you satisfaction and helps to stop the old grey cells from dying to quickly.

So why not have a go? if you make a mess on your first attempt you have probably learnt something and you will be more prepared for the next attempt, I have written the guide to compliment the article in the RIG journal 53 by Bob Thorpe.

Once you have been successful in making and testing your QFH I am sure you will be happy with the results if not then be prepared to experiment, if you need any further help then contact me at paul@hayes06.freeserve.co.uk

GO FOR IT WHY don't you

Have FUN life's to short to be Miserable 

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William Stevenson contacted me recently to inform me that he was contemplating making a QFH, we later realized that he only lives a couple of miles away from me in Swinton (that's the posh area ;-)

Bill is a licensed Ham.

Please see Bills message below!

Bill has now finished both the RX2 and QFH, please see pictures below

Click on image for larger view

"I am fairly recent to wxsat decoding, about 2 or 3 months, I was using a scanner to get passes then swapped it for another only to find it did not cover 137 mhz !

So I sent for the RX2, which is almost built now, Should get it operational by the weekend with a bit of luck, I have a homemade turnstile in the loft but have been thinking of having a go at a QFH."

 

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This my full pass. My location is Pinneberg 15km northwest from Hamburg.
I use 'your' QFH  without preamp. Antenna is about 4m away from the ground.
Until next time,


Peter Zemlin

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Jacob Hooysma

Location: Deventer, the Netherlands


 

The QFH is made of 12 mm copper tube, using the same dimensions as your
15 mm model. For the corners I used the "cheap" copper ones.
The connection at top I use the balun as described in your DIY. The first
one I made wasn't a success. I didn't have copper wire with varnish so I
use copper wire with plastic shield instead. Replaced that now with copper
wire from an old coil of a defect device. And the results are good.
The antenna is place on a camera tripod (temporary). Between the receiver (RX2)
and the antenna there is amplifier specially made for 137 - 138 MHz. (designed by the
kunstmanen workgroup)

Jacob's summary:

Thank you. It is amazing how the results are I normally used
a crossed dipole (home build) but it seems that pictures I receive
now have more contrast and are sharper.
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