NARA USEFUL LINKS
We are often adding content to this page. Please visit the new Links and DMR pages. We have added some great links and DMR Code Plugs. Come back often for updates.
Antenna Building:
http://www.qsl.net/kf4cpj/qha/ – Quadrifilar Helical
http://www.amsat.org/amsat/articles/w6shp/lindy.html – The Lindenblad
http://jcoppens.com/ant/qfh/calc.en.php – Quadrifilar Helical design and calculator
http://techdoc.kvindesland.no/radio/vhf_antennas/20061030163006789.pdf – The J-Pole revisited!
http://www.rason.org/Projects/collant/collant.htm – High gain, omni directional coaxial co-linear design
http://www.qsl.net/dk7zb/Duoband/open-sleeve.htm – Excellent VHF/UFH Yagi designs
Local ARES/RACES:
http://www.madisoncountyema.com/races.htm
Propagation prediction mapping:
http://qradiopredict.sourceforge.net/
http://ham.stackexchange.com/questions/1921/how-do-i-make-a-rf-propagation-map-for-a-repeater
DMR:
www.taitradioacademy.com/topic/what-is-dmr – Radio Academy “Intro to DMR”
www.trbo.org/docs/Amateur_Radio_Guide_to_DMR.pdf – Guide to DMR
www.dmr-marc.net – DMR Motorola Amateur Radio Club
www.dmrassociation.org – Digital Mobile Radio Association
Allstar Link:
www.allstarlink.org – Allstar Link Official website
http://www.crompton.com/hamradio/BeagleBoneBlackAllstar/ – Allstar how-too’s and download for the WA3DSP ARM-ALLSTAR image for the Rpi
Emergency Preparedness and Winlink 2000 Radio eMail:
http://www.winlink.org/ – Winlink 2000 Radio eMail System Official website
http://aprs.fi/#!lat=34.66850&lng=-86.55760 – live aprs map for Huntsville AL.
http://www.pigate.net/ – Winlink 2000 client for the Raspberry Pi
https://alertfind.com/amateur-radio-and-emergency-communications
https://couponfollow.com/research/disaster-preparedness-on-a-budget
Misc.:
http://www.qsl.net/g4wpw/date.html – Microphone pinouts