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AG6K -
Amplifier notes
G3SEK -
Technical Notebook - The triode board - The tetrode board
PE1OGF - QRO
page
SM5BSZ -
Building High Power Amplifiers
YL2QM - QRO
Page
YU1AW - HF
& VHF Amplifiers
WA6BOB -
Amplifiers Links
WB0NNI -
Amplifiers basics
WB8ERJ - 813
Linear Amplifier Project
http://www.qsl.net/ea4cbh/crv/CRV2.htm
http://hot-streamer.com/ross/projects/tube_coil/tube_details.htm
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QRP |
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http://www.imagenisp.ca/jsm/136.html
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Radio
Wave Propagation |
PROPAGATION -
Tutorials
ARRL (K9LA) - The
Sun, the Earth, the Ionosphere
ARRL
(W1AW) - Propagation Bulletins
Basics
of radio wave propagation
DX
Listeners' Club - Solar Terrestrial Activity Report
DXZONE.com -
Propagation Resources
HFRADIO.org
– Propagation (Reloaded every 15 min.)
MICHIGAN-TECH
- Wechelcome to The Aurora Page
NASA – MAEL Radio
Propagation Activities
NASA
Space News - Sunspot Numerology
NASA -
The very latest SOHO images
NOAA - Current
Space Weather Indices
NOAA - Current
alerts and warnings
NOAA - 3 day
forecast
NOAA - 27 day
forecast
NOAA - Weekly
Highlights and Forecasts
NOAA - D-Region
Absorption Prediction
NOAA -
SEC List Server
NORTHERN VERMONT
QRP SOCIETY (NVQS-N1QS) - Propagation
QST
December 1983, pp.11-15 - HF Propagation: The Basics
QST,
LabNotes, October1996, pp. 74-75 - Here Comes the Sun
QST
August 2002, pp. 36-39 - The Brendan Trophies: Insights for the New Millennium
QST
September, 2002, pp. 38-40 - Understanding Solar Indices
Radio Netherlands -
The solar guide
SOLAR TERRESTRIAL
DISPATCH - Near-Real-Time MUF Map (Updated every 30 min.)
TAPR
(VE3JF) -
VHF/UHF/Microwave Radio Propagation: A Primer for Digital Experimenters
WILLIAM
HEPBURN - VHF / UHF Tropospheric Ducting Forecast
WM7D.net - K7RA's solar report (updated every friday morning)
WM7D.net - NOAA's 27 day forecast
WM7D.net - Cycle progression graphs from NOAA
WM7D.net - Historical solar charts
W6EL - W6Elprop
ionospheric propagation software
PROPAGATION -
Software
Wireless Network Link Analysis
A path-loss calculator
Radio Line of Sight Plot Server
VHF/UHF: Allows you to make a request to
a radio line of sight plot server. You receive a GIF picture of the elevation
of each point on the earth between the starting point and ending point that you
specify.
VOACAP Quick Guide
High-Frequency Ionospheric Communications
Analysis and Prediction
HFWIN32
U.S. Department of Commerce NTIA/ITS
Institute for Telecommunication Sciences High Frequency Propagation Models Notice: The Department of Commerce has
made this HF propagation software available free of charge
HF Propagation Models from NTIA/ITS
ICEPAC, VOACAP, and REC533 Version 00.0908W (08 Sept 2000). Software is now FREE
Radio Mobile Freeware by VE2DBE
This software is a tool used to predict
the performance of a radio system.
PropView
PropView uses the included IonCap
propagation prediction engine to forecast the minimum and maximum useable
frequencies between two locations over a specified 24 hour period.
WinCAP Wizard 3
The WinCAP Wizard 3 software package for
high frequency radio communications system analysis and propagation prediction;
also know as SkyWave analysis.
DX Atlas by VE3NEA (Afreet Software,
Inc.)
MultiNEC Antenna Modeling Software
Combines antenna modeling and propagation
predictions and lets you automate and animate both
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CallBook,
QSL routes & Logs |
BUCKMASTER - World Wide HamCall Callsign Server
QRZ.COM
425DXNews Home Page - The italian Web pages for serious DXers
AC6V - Callbooks and QSL Routes
Announced DX
Operations
Daily Dx – QslManager.txt
Daily Dx - Search
DX.QSL.NET - Log Searches
EA4CT
- CallBooks
EA5EYJ – QSL total
eHam.net
- QSL Manager Finder - Home
F6CYV - QSL Information (1)
F6CYV - QSL Information (2)
GOLIST
- Qsl Manager DataBase
I1WQR - Manager
IK3QAR - HAM
Radio Site, with wais, managers, logs
on line search and more
IK4LZH -
QSL search
K4UTE - QSL Search Result
NG3K -
Amateur Radio Contest-DX Page
OE3MWS - QSL information
OZ7C - Qsl manager
QSLINFO.DE - QSL Search
RW1QM -
QSL info search
RW9MC -
Home Page
SM4DHF - Göran´s log book
collection
SM5ARL - QSL manager news
SP5ZCC - QSL Info
T93Y.COM -
Radioamaterski E-zine
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Elorrio |
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http://www.ehu.es/~jebazcod/elorrio/elorrio.html
http://www.geocities.com/sntelena/elorrio.htm
http://www.durangaldea.com/paginas_castellano/elorrio.htm
http://www.guiabizkaia.com/Drsado/Elorrio/Index.html
http://www.geocities.com/Heartland/Hills/6265/elorrioveg.htm
http://www.ngw.nl/int/spa/e/elorrio.htm
http://www.elorrio.net/
http://suse00.su.ehu.es/euskonews/0113zbk/arg0113.html
http://suse00.su.ehu.es/euskonews/0141zbk/arg0141.html
http://mipagina.euskaltel.es/cdominguez/Elorrio.html
http://www.argia.com/gida/es/elorrio1a.htm
http://www.mendikoweb.com/Pages/rutas/rutaMV/anboto/texto.htm
Última actualización 01/Nov/2004
Por Gonzalo Fernández