Spy Satellite History

Grab and Poppy, America's Early ELINT Satellites (PDF):
http://www.nro.gov/history/csnr/programs/docs/prog-hist-03.pdf

Declassified NRO/U.S. Navy Program C ELINT Satellites (PDF)
http://www.nro.gov/foia/docs/U.S.%20Navy-NRO%20Program%20C%20Electronic%20Intelligence%20Satellites%20%281958-1977%29.pdf

History of the Poppy Satellite System, NRO, Program C (PDF)
http://www.governmentattic.org/6docs/NRO-HistoryPOPPY_1978.pdf





Corona - America's First Satellite program (PDF)
https://www.cia.gov/library/center-for-the-study-of-intelligence/csi-publications/books-and-monographs/corona.pdf

Corona history at NRO
http://www.nro.gov/history/csnr/corona/





Declassified US Spy Satellites Reveal Rare Look at Secret Cold War Space Program
http://www.space.com/12996-secret-spy-satellites-declassified-nro.html

Declassified GAMBIT and HEXAGON Videos
http://www.nro.gov/foia/declass/GAMBHEX%20Videos.html

ESM/ELINT, COMINT

ESM/ELINT in general :
http://www.radartutorial.eu/16.eccm/ja06.en.html

Electronic Operations related articles / RAAF
http://www.slideshare.net/aticourses/elint-interception-analysis


China’s Electronic Intelligence Satellite Developments (PDF):
http://project2049.net/documents/china_electronic_intelligence_elint
_satellite_developments_easton_stokes.pdf

Former Warsaw Pact / Russian / PLA Emitter Locating Systems / ELINT http://www.ausairpower.net/APA-Warpac-Rus-PLA-ESM.html

Digital receiver technology for RWR, ESM and ELINT applications (PDF)
http://www.pk-avionics.ch/ppt/ghz.pdf

Submarine Tactical ESM and ELINT Systems (brochure, PDF)
http://www.saabgroup.com/Global/Documents%20and%20Images/Naval/Electronic%20Warfare/UME100/UME100%20-%20UME200%20product%20sheet.pdf

Space Based Signal Intelligence Systems :
Global Trends & Technologies (presentation, PDF)
http://indianstrategicknowledgeonline.com/web/space_sec_session%205_Sreehari%20Rao.pdf

Probability of Intercept
(excerpt from >ELINT: The Interception and Analysis of Radar Signals<, very techie)
http://www.artechhouse.com/uploads/public/documents/chapters/Wiley_925_CH04.pdf





Electronic Intelligence At NSA - a historical perspective (PDF):
http://www.nsa.gov/about/_files/cryptologic_heritage/publications/misc/elint.pdf

Passive Radar

USRP N200

Dual Coherent Channel RTL-SDR
Read more: http://www.rtl-sdr.com/passive-radar-dual-coherent-channel-rtl-sdr/



 

Radar and ECM basics

Oldie but goldie.


Phased array stuff (HAARP, Over-the-horizon radars)


DIY

Passive RADAR With a Dual Coherent Channel RTL-SDR
Read more: http://www.rtl-sdr.com/passive-radar-dual-coherent-channel-rtl-sdr/



Links:
Radar Tutorial
Introduction to Radar Systems

The Opposite of Air Power