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DVB-t (UFH) log periodic question
Hi!
I want to design and build a log periodic for DVB-T and I've found 'LOGPERIO.XLS', a calculation program in Excel format. Anyone tried this or have experiences with it? All comments and suggestions are welcome! Thanx, Luc |
#2
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Coorection: DVB-t (UHF) log periodic
....of course it had to be UHF...
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#3
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DVB-t (UFH) log periodic question
On 21 Oct 2007 16:14:06 GMT, luc o wrote:
Hi! I want to design and build a log periodic for DVB-T and I've found 'LOGPERIO.XLS', a calculation program in Excel format. Anyone tried this or have experiences with it? All comments and suggestions are welcome! Thanx, Luc When nobody else comments, I do. Yes, I actually bult several LPDAs from the LOGPERIO calculations and they work perfectly Caution: Each LPDA has certain Z variations over the whole frequency range. 1 : 1.7 is very well done.....! 1:2 is still good. Do you have the LOGPERIO version with the antenna graph display? http://members.aon.at/hwabnig/ w. |
#4
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DVB-t (UFH) log periodic question
Helmut Wabnig hwabnig@ .- --- -. DOT .- t wrote in
: When nobody else comments, I do. Yes, I actually bult several LPDAs from the LOGPERIO calculations and they work perfectly Caution: Each LPDA has certain Z variations over the whole frequency range. 1 : 1.7 is very well done.....! 1:2 is still good. Do you have the LOGPERIO version with the antenna graph display? http://members.aon.at/hwabnig/ w. Hi Helmut! Many thanks for your comments. NO, I had the 'default' version, in which I'd made some layout changes, but I really like your version much more! Thanks for sharing your experience - now I will certainly try one (although building antennas also gives lots of fun!). As soon as I will have one completed, tested and installed (for DVB-T use, called 'Digitenne') I will leave another message sharing my experiences. Luc |
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