SDR and TV-Dongle Links
Antennas
Discone Antennas
http://helix.air.net.au/index.php/d-i-y-discone-for-rtlsdr/
http://www.tinkersoc.org/2013/01/software-defined-radio/
http://hackaday.com/2012/05/14/improving-a-software-defined-radio-with-a-few-bits-of-wire/
http://www.wb4hfn.com/Resources/DISCONE.TXT
http://www.dxzone.com/cgi-bin/dir/jump2.cgi?ID=17358
Blog index on (ΔLoop magnetic Loop other) antenna homebrew
TV Dongle SDR
http://sdr.osmocom.org/trac/wiki/rtl-sdr
http://www.hamradioscience.com/
http://code.google.com/p/opendous/wiki/Upconverter
https://docs.google.com/folder/d/0B98akUlPIomlRGxjVElDNDJqaW8/edit?pli=1
http://www.nooelec.com/store/software-defined-radio.html
http://www.kali.org/news/kali-linux-software-defined-radio-support/
http://www.dx-buddy.net/en/SDR_Install.php
http://www.reddit.com/r/RTLSDR/
http://www.rtl-sdr.com/about-rtl-sdr/
http://www.reddit.com/r/RTLSDR/comments/s6ddo/rtlsdr_compatibility_list_v2_work_in_progress/
http://en.wikipedia.org/wiki/Cellular_frequencies
http://www.ebay.com/sch/i.html?_from=R40&_sacat=0&_nkw=E4000&_sop=15
http://ttrftech.tumblr.com/post/93484530966/assembled-hfconv-for-rtlsdr-is-ready
http://ttrftech.tumblr.com/kit/hfconv
http://www.rtl-sdr.com/rtl-sdr-radio-scanner-tutorial-decoding-digital-voice-p25-with-dsd/
http://www.rtl-sdr.com/?s=RTL-SDR
http://www.reddit.com/user/nooelec
http://www.superkuh.com/rtlsdr.html
http://spectrum.ieee.org/geek-life/hands-on/a-40-softwaredefined-radio
http://www.theamphour.com/the-amp-hour-161-gifted-grimgribber-grokker/
http://blog.palosaari.fi/2013/08/mirics-msi3101-sdr-linux-driver.html
http://www.kickstarter.com/projects/1085541682/bladerf-usb-30-software-defined-radio
http://www.hqew.net/buy-components/MSi3101.html
http://sourceforge.net/directory/communications/hamradio/os:windows/freshness:recently-updated/
http://o28.sischa.net/fifisdr/trac
http://gnuradio.org/redmine/projects/gnuradio/wiki
http://hayseedhamfest.com/sdr.html
http://www.planetanalog.com/author.asp?doc_id=560370&cid=planetanalognewsletter
http://v2.sdr-radio.com/Home.aspx
http://radioaficion.com/cms/mirics-msi3101-sdr-usb-dongle/
http://adamsblog.aperturelabs.com/2013/03/you-can-ring-my-bell-adventures-in-sub.html
http://www.planetanalog.com/author.asp?section_id=3071&doc_id=560327&
http://www.sdr-kits.net/Webshop/
http://homepages.wightcable.net/~g4zfq/Si570.htm
http://www.telepostinc.com/soundcards.html
http://hackaday.com/2013/03/14/stealing-cars-and-ringing-doorbells-with-radio/
http://thepartsplace.k5nwa.com/index.php?route=common/home
http://sierrapermaculture.com/?p=357
http://users.wildblue.net/wb6dhw/
http://www.brandigg.de/brand/MIRICS-SMARTUNER
http://www.kb6nu.com/what-to-do-about-sd/
http://hackaday.com/2012/03/30/working-software-defined-radio-with-a-tv-tuner-card/
http://www.hayseedhamfest.com/
https://groups.google.com/forum/#!forum/ultra-cheap-sdr
blog index on SDR RTL-SDR
HF Up Converter
http://hamradio-builder.hamhacker.org/HFUpConverter
http://yo2ldk.blogspot.ro/2012/07/up-converter-ne602-pentru-sdr-dongle.html
http://www.crosscountrywireless.net/upconverter.html
https://www.sv1afn.com/upcnv.html
http://blog.kf7lze.net/2012/09/14/round-up-of-rtlsdr-upconverter-choices/
http://lists.osmocom.org/pipermail/osmocom-sdr/2014-August/001353.html