NARA USEFUL LINKS

We are constantly adding content to the Useful Files and Links pages.  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

https://www.hmcraces.org/BB/

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.dmr-marc.net/sandbox.html

www.dmrassociation.org - Digital Mobile Radio Association

www.hytera.us

http://tyterausa.com

 

 

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

 

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

 

Misc.

http://www.qsl.net/g4wpw/date.html - Microphone pinouts

 

 

WE WISH TO THANK OUR CONTRIBUTING PARTNERS FOR THEIR CONTINUING SUPPORT AND OF COURSE  OUR MEMBERS!  THANK YOU ALL!