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The Leading site >>> http://www.repeater-builder.com/rbtip/ <<<
Cost-effective solution to make a quality HAM UHF Repeater from professional radio equipment:
http://sites.google.com/site/uhfrxtx/
If you like these modules you can contact me.
Документация на български:
http://sites.google.com/site/uhfrxtx/datasheets/UHF_FM_RX_TX_Module_BG_rev1.1.pdf.rar?attredirects=0
Pocket size 2W UHF repeater by LZ4ZD, NMT Mobile Phone Benefon Sigma Gold used in this project. It is a very suitable solution for home echolink station, if you can find one of these old mobile phones.
The article is on Bulgarian language only, so you may want to use translate.google.com or google toolbar
for the translated versions: modification & repeater controller
Software for prediction of microwave path loss and visualization of the area of coverage:
http://www.mike-willis.com/software.html Thanks to Mike Willis G0MJW !
You will need to download also SRTM 3 arc second grid data files in .HGT format for your area (it is also free, thanks to NASA and USGS).
SPLAT! http://www.qsl.net/kd2bd/splat.html (runs under LINUX) Thanks to John Magliacane KD2BD !
SPLAT! compiled for Windows 32-bit http://futuradio.blogspot.com/2007/09/rf-propagation-modeling-with-splat-for.html THX KC0FLR !
another SPLAT! for Win-32 http://www.ve3ncq.ca/reframe.php?page=20090216.html THX VE3NCQ !
Radio Mobile by VE2DBE: http://www.cplus.org/rmw/english1.html THX!
DUPLEXERS - Thanks to Mr. Jacques - VE2AZX for his great work : http://www.repeater-builder.com/antenna/ve2azx-duplexerinfo.pdf
or here : http://forum.cqham.ru/download.php?id=16534
Other interesting things can be found on his website : http://ve2azx.net/
Some european producers of duplexers:
PROCOM - http://www.procom.dk/eng
IK-Telecom Finland - http://www.duplexers.eu/
Repeater controllers and internet linking:
http://www.arandis.se/rlm/Info.html thanks to SM2UMH
http://en.wikipedia.org/wiki/Echolink
TheLinkBox by WB6YMH http://groups.yahoo.com/group/thelinkbox/
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