| - Darrel Emerson's home page, AA7FV/G3SYS
- Comment: This web site was last updated April 21, 2000, and some of its links are broken, unfortunately. However, Darrel is a professional radio astronomer and provides lots of quality information.
- http://ourworld.compuserve.com/homepages/demerson/
- http://www.tuc.nrao.edu/~demerson/ionosphere/ionopol.html
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- AE4TM's HF propagation study
- Comment: A wealth of information on hf radio propagation and measurements of the propagation delay times using PACTOR.
- http://ecjones.org/research.html
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- HF Backscatter from Travelling Ionospheric Disturbances identified with Pactor-II by AE4TM *** excellent ***
- Comment: Report on a longterm statistical collection of shortwave backscatter.
- http://ecjones.org/backscatter.html
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- Sferics - Entstehung, Beobachtung und Messung by DC3MF
- Comment: Introductional article in sferics and ELF/ULF radio propagation.
- http://schippke.tripod.com/ELF/Sferic1.htm
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- Moon images from the NavSpaSur CW radar system by DF6NM *** excellent ***
- Comment: Time-Doppler spectrum analysis of radar moon echoes.
- http://people.freenet.de/df6nm/NavSpaSur/NavSpaSurMoon.htm
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- The DK5YA VHF-Page *** excellent ***
- Comment: This webpage is permanently maintained and provides lots of information relevant for the VHF operator - it is a must for serious VHF dxers.
- http://www.vhfdx.de
- http://www.dk5ya.de
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- SAM - Simple Aurora Monitor,
- Amateur Magnetometer Network by DL3HRT and DG3DA *** excellent ***
- Comment: Karsten and Dirk designed a magnetometer construction kit allowing measurements of Earth magnetic field variations.
- http://www.sam-europe.de/
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- DXpeditions by DL8EBW
- Comment: Do you wish to know latest information on dxpeditions? This is your page then.
- http://www.dl8ebw.de/ACTUAL/Expeditionen/expeditionen.html
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- Sporadic-E cloud evolution by EA6VQ
- Comment: See Gabrial's animated analyses of recent Sporadic-E openings.
- http://www.vhfdx.net/esmaps.html
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- G3CWI's Radio Adventures *** excellent ***
- Comment: Richard provides experimental ionospheric research in ham radio par excellence - look at it.
- http://www.qsl.net/g3cwi/propagat.htm (chirp sounding)
- http://www.qsl.net/g3cwi/doppler.htm (Doppler radar)
- http://www.qsl.net/g3cwi/pedersen.htm (Pedersen Ray Doppler Plots)
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- The G3PLX Chirp Project by ZL1BPU *** excellent ***
- Comment: Passive measurements of HF range and propagation using ionospheric sounders.
- http://www.qsl.net/zl1bpu/chirp/chirps.html
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- The detection of Sporadic E, Aurora and Meteors by using Radio Spectrum Analysis by G7IZU
- Comment: FFT plots of band 1 TV transmitters during the Quadrantids meteor shower 2004 and various Aurora openings.
- http://www.tvcomm.co.uk/radio/
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- Dave's place by G7RAU
- Comment: Find Dave's software tools for propagation realtime analyses.
- http://g7rau.demon.co.uk/
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- Radio waves below 22 kHz by IK1QFK
- Comment: This unusual web site explores the radio world below 22 kHz by providing a wealth of information, observation reports and other subjects in ULF/ELF and VLF propagation.
- http://www.vlf.it/
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- K3PGP Experimenter's Corner
- Comment: Lots of information on lunar radio echoes, long-delayed radio echoes on EME circuits, lunar laser ranging and other EME topics which will certainly attract your interest.
- http://www.k3pgp.org
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- N1BUG web
- Comment: Provides sections on VHF and above radio wave propagation, including educational material and a realtime Aurora monitoring page.
- http://www.n1bug.net
- http://www.n1bug.net/operate/emepol-1.html (polarisation of EME signals)
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- Aurora Opening of 15-16 July 2000 by NA3T
- Comment: The analysis of amateur radio VHF and UHF logs is Joe's attempt to show that logs of contests and openings should be routinely analysed.
- http://www.wm7d.net/.../au_opening.Jul2000.intro.shtml
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- Meteor Scatter Obs with VHF Radio & Computer by OH5IY
- Comment: Covers all aspects of meteor-scatter propagation and provides a large amount of information and data.
- http://www.kolumbus.fi/oh5iy/
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- Radio in Observing Auroras, Radio & Auroras by OH5IY
- Comment: Explains types of radio Auroras, Auroral back scatter and Ilkka's computer-controlled registration of the SK4MPI beacon.
- http://www.ursa.fi/ursa/jaostot/revontulet/english.html
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- MUF does not apply with Es prop. reports, MOF does! by OH5IY
- Comment: Discusses the meaning of maximum-usable-frequency (MUF) and maximum-observed-frequency (MOF).
- http://www.kolumbus.fi/oh5iy/
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- Common definition for amateur radio MS terminology on "pings" and "bursts" accepted in IARU Region 1 meeting Lillehammer, September 1999 by OH5IY
- Comment: Read Illka's (OH5YI) and Jukka's (OH6DD) proposal for scientific analyses on amateur radio meteor scatter.
- http://www.kolumbus.fi/oh5iy/
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- Online HF Propagation Prediction by ON4BAA
- Comment: Four steps towards realtime HF propagation forecasting including lots of valuable links to alternative sources.
- http://www.stroobandt.com/propagation/
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- Ionoscatter on 50 and 144 MHz by OZ1RH
- Comment: Lecture which examines dx opportunities in the so-called ionoscatter radio propagation.
- http://www.qsl.net/oz1rh/ionoscatter/ionoscatter_lecture_2002.htm
- see also: http://www.oz1rh.com
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- NAVSPASUR Moonreflection Experiment by PE1ITR *** excellent ***
- Comment: Reception of the 217 MHz NAVSPASUR radar, U.S.A., in the Netherlands by using reflection by the lunar surface.
- http://www.itr-datanet.com/~pe1itr/navspasur.html
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- Transatlantic QSO on LF completed by VA3LK
- Comment: Larry (VA3LK) and Laurie (G3AQC) managed to complete a very special CW QSO: it began on Febuary 5 and was completed on Febuary 19, 2001, they did not listen to the signals but used a visual adaption - this was a transatlantic QSO on low frequency, i.e. 137 kHz.
- http://www.veron.nl/tech/lf/atlantic1.htm
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- Canadian Magnetic Observatories by VE6WZ
- Comment: Dynamic collection of various magnetometer data.
- http://www.qsl.net/ve6wz/geomag.html
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- Boxing Day 2003 Duct Report by VK2KRR
- Comment: Leigh drew my attention to his remarkable 144 MHz FM QSOs covering a distance of more than 2.800 kilometers in Australia.
- http://www.users.bigpond.com/vk2krr/boxing_day_2003_duct.htm
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- EME, SETI, Radio Astronomy, DSP and Radio Amateurs by W6/PA0ZN
- Comment: This web site builds bridges between EME, SETI and amateur radio astronomy.
- http://www.nitehawk.com/rasmit/
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- Meteors, MS, HSMS, Computers and Amateur Radio by W6/PA0ZN
- Comment: Great site for the high-speed cw enthusiast and for digital signal processing.
- http://www.qsl.net/pa0zn/hscw.html
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- SM5BSZ - Aurora Echoes With Narrow Band Radar *** excellent ***
- Comment: This article discusses one of the most remarkable Aurora experiments in amateur radio, i.e. radar applications in E-region backscatter.
- http://www.sm5bsz.com/aurora.htm
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- SM5BSZ - Signals received with the SM5FRH antenna *** excellent ***
- Comment: See this amazing recordings which display a large number of EME stations qso-ing in a 90 kHz segment during the ARRL EME contest, 2001.
- http://www.sm5bsz.com/arrl2001/index.htm
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