Multi/Any Band End Fed Antenna : http://pa3hho.wordpress.com/antennes/multiany-band-end-fed-english/
Multiband End Fed Antenna : http://pa-11019.blogspot.be/2012/04/149-transformer-for-endfed-antennas-35.html
Natural Radio Receiver : http://theradioboard.com/rb/viewtopic.php?t=3897
VLF Natural Radio Reception : http://www.techlib.com/electronics/vlfwhistle.htm
McGreevy VLF RX 100Hz - 11KHz : http://m0elsuk.blogspot.fr/2012/10/mc-greevy-vlf-receiver.html
Sonde température ATmega / Raspberry : http://blog.idleman.fr/raspberry-pi-18-construire-une-sonde-de-temperature-radio-pour-7e/
Visite et maintenance de l'emetteur d'Allouis : https://www.youtube.com/watch?v=-7JcVpLi1yU (INA 1966)
Developper une station météo (capteurs et Arduino) : http://www.lextronic.fr/P4452-capteurs-pour-station-meteo.html




The DH8BQA sequencer : http://www.dh8bqa.de/sequencer/
Stacking Dis-Similar Yagis and Loop Yagis : http://www.directivesystems.com/STACKING.htm
Wire Antennas : http://www.qsl.net/va3iul/Antenna/Wire%20Antennas%20for%20Ham%20Radio/Wire_antennas_for_ham_radio.htm
PA 23cm 2 x RA18H1213 : http://www.ok2kkw.com/00003016/komparator/ra18h1213g/2x/23cm_driver.htm
PA 23cm RA18H1213 : http://www.ok2kkw.com/00003016/komparator/ra18h1213g/23cm_driver.htm
PROBA Etudes de PROpagation radio et BAlises radioamateurs : http://f4buc.kelio.org/
Experimental 25MHz WWV Broadcast : http://www.nist.gov/pml/div688/grp40/wwv.cfm
Practical Amateur Radio Podcast : http://myamateurradio.com/
La tour Eiffel est une antenne : http://vimeo.com/80992494
7J1RL Okino Tori-Sima DX Expedition 1976 : https://www.youtube.com/watch?v=vMmxQ8IfsuY
3YOPI Peter One Island Antarctica Expedition 1994 : https://www.youtube.com/watch?v=CYRy94cFK4M




Stella WSPR : http://stellarwspr.com/
Portable loop by JA6RGB : http://www1.bbiq.jp/ja6rgb/ja6rgb23.html
Details feed horns, 5.7 & 10 GHz : http://myweb.tiscali.co.uk/g4nns/FeedHorn.html
Hamnet at HOTARC : http://www.hotarc.org/hsmm.html
Broadband Hamnet HSMM-MESH : http://www.broadband-hamnet.org/
SABOR horns and reflectors analysis software : http://www.gr.ssr.upm.es/sabor.htm
2.4 et 5.7 GHz equipments : http://www.interprojekt.com.pl/
Fritzing software tool for Arduino : http://fritzing.org/home/
The casual HAM : http://www.casualham.com/
Logic relais avec un Arduino : http://www.f8kgz.fr/nos-ateliers/realisations/relais-intercom/phase-1-relais-uhf-avec-une-voie-vhf-simplex/
Magnetic loop antenna for 80 - 20 mtr : http://www.nonstopsystems.com/radio/frank_radio_antenna_magloop.htm
Triband receiving loop for 160/80/40m : http://ac0c.com/main/page_prior_antennas_1608040m_rx_loop.html
K9AY 160 / 80m receiving loop antenna system : http://www.k7sfn.com/cms/index.php?option=com_...




Meteor scatter LOG OK1TEH 70cm : http://ok1teh.nagano.cz/ms_70cmlog.htm#tricks
3,4; 5,7 & 10GHz feed horn : http://myweb.tiscali.co.uk/g4nns/FeedHorn.html
Decoding, deciphering QR code from radio : http://www.swharden.com/blog/2010-11-11-deciphering-qr-code-from-radio-spectrograph/
SGC smarttuner with balenced dipole antenna : http://www.g3ynh.info/atu/sgc230.html
SGC SG-237 control box : http://www.aa5tb.com/sgc.html
Small homemade 80rx : https://www.youtube.com/watch?v=N8nT4RVX5p0
Digital DCF77 clock with LCD ans gong : http://www.picbasic.nl/frameload_uk.htm?http://www.picbasic.nl/dcf77_klok_uk.htm
Sat via handheld : http://jan.kepic.cz/view.php?cisloclanku=2014020002
Digital PWR/SWR meter : http://www.sp2gpc.strefa.pl/miernik.htm
Low Cost Voltage References : http://www.voltagestandard.com/
High quality 200W HF Triplexer : http://un7lg.shawwebspace.ca/blog/post/high_quality_200_watts_hf_triple/
Antenna 80 and 160m wire in limited space : http://www.mds975.co.uk/Content/amateur_radio_antennas_04.html
Ham Radio Space Parts Specialist : http://www.hifissb.com/
HAM TV commissioning, VLBI control room : https://www.youtube.com/watch?v=f_tYmZOoRn4
Radio Fox Hunting competition in northern Germany : https://www.youtube.com/watch?v=tgjyrWxe_jM
Mobile radio fox hunting : https://www.youtube.com/watch?v=iLz4UwVV8T4




136KHz preselector and amplifier : http://www.qsl.net/ik2pii/lf/prea136.htm
500KHz low pass filter : http://www.k5td.com/500kHz_Low_Pass_Filter.html
Grid Systems, display grids on Google Earth : http://www.earthpoint.us/grids.aspx
A receiving loop for long waves / vlf : http://www.qsl.net/df3lp/projects/lfloop/index.html
K9FD receiving loop : http://www.iw5edi.com/ham-radio/?k9fd-receiving-loop,64
Remote antenna switch by WT4Y : http://radio.wt4y.com/remote-antenna-switch
Using small signal relay at FR : http://www.w0qe.com/Technical_Topics/small_signal_relays_at_rf.html
Microwave spring field day 2010 : https://www.youtube.com/watch?v=PvucaN0Iu1A
50 MHz CW transmitter beacon by PY2MAJ : https://www.youtube.com/watch?v=yXjuj2rWF8o
Artic Radio, Severnaya Zemlya islands extreme expedition : https://www.youtube.com/watch?v=aDbCDzRzuQ8
W1RT cranks up rover microwave mast : https://www.youtube.com/watch?v=ehvUqSXp5vM
Number stations revealed : https://www.youtube.com/watch?v=Xkc_Ig87TnM
Hey Whats That path profiler : http://www.heywhatsthat.com/profiler.html
CloudRF, lonline radio planning : https://cloudrf.com/
Space in images from the European Space Agency : http://www.esa.int/spaceinimages/Images




VK2ER/P Summer Field Day : https://www.youtube.com/watch?v=z2Jlty84XGo
IARU contest in JN63IL during the storm : https://www.youtube.com/watch?v=esx97KCMxLM
Transmitter a film by : https://www.youtube.com/watch?v=BXjbHaGXUGg
Spy Numbers Station Lady : https://www.youtube.com/watch?v=5GXgqGQfoAs
TX Factor, TV shows covering the amateur radio hobby : http://www.txfilms.co.uk/txfactor/
Bias Tee by WB9JPS : http://wb9jps.com/Gary_Johnson/Bias_Tee.html
Live streaming from ISS : http://www.n2yo.com/space-station/
Zed Zed's antenna projects : http://www.amateurradio.bz/ham_radio_antenna.html




FT5ZM Amsterdam island expedition : http://www.amsterdamdx.org/
APRS i-gate with TP-Link TL-MR3020 : http://yd0nxx.wordpress.com/2011/09/14/aprs-igate-on-tp-link-tl-mr3220/
Swiss strato balloon : http://www.swiss-strato.com/
K9AY antenna control box : http://www.ok1rr.com/index.php/antennas/32-a-control-box-for-the-k9ay-loop-antenna
Ham Radio Science : http://www.hamradioscience.com/
FT-817 12v and ACC port : http://vk4ghz.com/ft-817-12v-acc-mod/
USA SatCom : http://usa-satcom.com/

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