http://fr.wikipedia.org/wiki/Hellschreiber
http://www.nonstopsystems.com/radio/hellschreiber-old-photos.htm
http://www.milradio.com/werhmacht_equipment.htm
http://www.milradio.com/clandestine_gal.htm
http://www.milradio.com/british_gal.htm
http://www.milradio.com/usa_gal.htm
http://www.hffax.de/history/html/hellschreiber.html
http://f1ult.free.fr/FUZZY/starting.htm
http://www.qsl.net/zl1bpu/HELL/Index.htm
http://f1ult.free.fr/FUZZY/beginner.htm
http://www.qsl.net/zl1bpu/
http://www.qsl.net/zl1bpu/HELL/MSK/LF_mskhell.htm
http://www.qsl.net/zl1bpu/CMSK/cmsk.htm
http://www.qsl.net/zl1bpu/DOCS/Getting%20Started.PDF
http://www.qsl.net/zl1bpu/DOCS/Simple%20Digital%20Interface.pdf
http://www.qsl.net/zl1bpu/HELL/Feld.htm
http://www.qsl.net/zl1bpu/HELL/PSK.htm
http://www.qsl.net/zl1bpu/HELL/MT_intro.htm
http://www.qsl.net/zl1bpu/MFSK/M16.htm
http://www.qsl.net/zl1bpu/MFSK/tech.htm
http://www.qsl.net/zl1bpu/MFSK/Varicode.htm
http://www.qsl.net/zl1bpu/MFSK/FECcoder.htm
http://www.qsl.net/zl1bpu/MFSK/Interleaver.htm
http://www.qsl.net/zl1bpu/MFSK/DEX.htm
http://www.qsl.net/zl1bpu/MFSK/MEPT-JT.htm
http://wsprnet.org/drupal/wsprnet/spots
http://www.physics.princeton.edu/pulsar/K1JT/wspr.html
http://www.physics.princeton.edu/pulsar/K1JT/WSPR_2.0_User_French.pdf
http://wsprnet.org/drupal/
http://www.qsl.net/zl1bpu/NBTV/OFDM.htm
http://www.qsl.net/zl1bpu/NBTV/TX.htm
http://www.qsl.net/zl1bpu/NBTV/RX.htm
http://www.qsl.net/zl1bpu/NBTV/Replay.htm
http://www.qsl.net/zl1bpu/NBTV/Starting.htm
http://www.qsl.net/zl1bpu/NBTV/Digital.htm
http://www.qsl.net/zl1bpu/NBTV/Hybrid.htm
http://www.qsl.net/zl1bpu/IONO/iono101.htm
http://www.qsl.net/zl1bpu/IONO/Thetwilightzonerevisited.pdf
http://www.qsl.net/zl1bpu/IONO/chirps.htm
http://jcoppens.com/radio/prop/g3plx/index.en.php
http://jcoppens.com/radio/prop/g3plx/principle.en.php
http://jcoppens.com/radio/prop/g3plx/links.en.php
http://jcoppens.com/radio/prop/sun/index.en.php
http://www.qsl.net/zl1bpu/IONO/ranging.htm
http://www2.phys.canterbury.ac.nz/~physion/index.html
http://www2.phys.canterbury.ac.nz/~physion/ionogram.html
http://www.ips.gov.au/
http://www.ips.gov.au/HF_Systems/1/3
http://www.qsl.net/zl1bpu/SOFT/Index.htm
http://www.qsl.net/zl1bpu/SOFT/click.htm
http://www.qsl.net/zl1bpu/PROJ/Ruby.htm
http://www.qsl.net/zl1bpu/PROJ/FEI%20specs.pdf
http://www.qsl.net/zl1bpu/SOFT/VMEPTtools.htm
http://www.qsl.net/zl1bpu/MICRO/ROTATOR/Index.htm
http://www.qsl.net/zl1bpu/MICRO/ROTATOR/KR-400%20Schematic.gif
http://www.qsl.net/zl1bpu/MICRO/ROTATOR/Software.htm
http://www.dx4win.com/
http://www.mixw.net/
http://www.nzart.org.nz/nzart/?url=/nzart
http://www.qsl.net/zl1bpu/MICRO/ROTATOR/Protocol.htm
http://www.qsl.net/zl1bpu/MICRO/ROTATOR/Rotator2.htm
http://www.qsl.net/zl1bpu/MICRO/ROTATOR/Ro_schematic.gif
http://www.qsl.net/zl1bpu/MICRO/ROTATOR/PCBtop.gif
http://www.qsl.net/zl1bpu/MICRO/ROTATOR/PCBcomponent.gif
http://www.qsl.net/zl1bpu/MICRO/EXCITER/Manual.PDF
http://www.qsl.net/zl1bpu/MICRO/EXCITER/Index.htm
http://www.qsl.net/zl1bpu/MICRO/EXCITER/Serialcomms.htm
http://www.qsl.net/zl1bpu/MICRO/KEYER/keyer.htm
http://www.qsl.net/zl1bpu/MICRO/KEYER/schematic.gif
http://www.qsl.net/zl1bpu/MICRO/KEYER/specs.htm
http://www.qsl.net/zl1bpu/MICRO/KEYER/cmds.htm
http://www.qsl.net/zl1bpu/DOCS/publish.htm
http://f1ult.free.fr/FUZZY/IZ8setup.htm
http://f1ult.free.fr/DIGIMODES/DIGI.htm
http://f1ult.free.fr/DIGIMODES/description.htm
http://f1ult.free.fr/FUZZY/Feld.htm
http://f1ult.free.fr/FUZZY/software.htm
http://f6cte.free.fr/index_francais.htm
http://www.qsl.net/pa3bqs/
http://hamradio.lakki.iki.fi/new/Beacons/controllers/hellschreiber_beacon/hellbeacon.shtml
http://f1ult.free.fr/FUZZY/selector.htm
http://www.httr.ups-tlse.fr/pedagogie/cours/index.html
http://f1agw.free.fr/Hellschreiber/Hellschreiber.htm
http://www.nonstopsystems.com/radio/frank_radio_hell.htm
http://www.nonstopsystems.com/radio/frank_radio_pc_interface.pdf
http://www.amateurfunkbasteln.de/usbnachruesten/usbnachruesten.html
http://www.itsrainingelephants.com/tag/space-invaders/
A suivre,
