- AntenneX Magazine On-Line
- AMSAT-UK OSCAR News
- CQ Amateur Radio
- CQ Contest magazine
- CQ DL
CQ Radio Amateur- CQ ZRS home page
- DARC Verlag GmbH
- The DUBUS Archives
- Funkamateur
- International Journal of Small Satellite Engineering
- MEGAHERTZ magazine
- QEX
- Radio Rivista
- RÁDIÓTECHNIKA
- REPEATER magazine
- The CQ-VHF Magazine site
- The Ham Radio Online Library
- UKW Berichte News
- VHF Communication Magazine
- The Complete Index of VHF Communications 1970 – 1996
AURORA Monitors:
- Aurora image gallery by OH5IY
- Current Solar Images (National Solar Data Analysis Center)
- Geophysical Institute (University of Alaska)
- Geomagnetic Field status monitor
- DK0WCY AURORA BEACON
- Magnetometer Kiruna (Auto-updated every 5 minutes)
- NOAA Space Environment Center N1BUG (CANOPUS Real Time Auroral Oval)
- Sun-Earth environment - SpaceWeather.com - Current Conditions
Beacons:
- BEACONWORLD
- DK0WCY AURORA BEACON
- HF Beacons Website By G4TMV
- IARU Region 1 VHF, UHF and Microwave Beacons (50MHz...76GHz) By G3UUT
- Listing of European VHF Beacons, as compiled by LA0BY
- G3USF's Worldwide List of HF Beacons Latest Update 8 July, 2002
- NCDXF/IARU International Beacon Network
- Buckmaster's - World Wide Hamcall Server
- Callsign Server - Updated DAILY!
- Call Sign Prefixes - By Country
- DK0TUI INFO (DXCC, IOTA Expeditions)
- DX AWARD DIRECTOR by K1BV
- Worked Hungarian DX Chapter Award - member list
- EI VHF news
- HG4GGV: (Csere-bere, kínál, keres)
- Grid Map of NAm.
- HAM Galery's Links Page by K8CX
- HAMNET (VERON VHF-UHF-SHF Bulletin)
- HAM Radio Online Com
- HA/HG CALLBOOK
- IARU QSL Bureaus
- IARU Region 1 Technical Recommendations (Summary by PA0EZ) UPDATED!
- IOTA
- KO6YQ Amateur Radio Index
LINUX for Radioamateurs:
- AX-25 Tools and Library
- Bester Tracking Systems
- DX cluster (DXSpider)
- EAGLE PCB (for Linux)
- Filewatcher
- HA6NN Home Page, Bookmarks (HAM RADIO and LINUX)
- Linux Kernel Archive
- LINRadio
- Linux AX25-HOWTO VE3ICH
- Linux Hamradio Applications and Utilites
- Nederlandstalige Linux pagina's Updated
- NEC Archives for Linux By WB6TP
- Radio Basic
- Support for WiNRAiO linradio-toolkit
- The AMSAT LINUX FTP Sirtes
- The latest version: V2.5 (24-Apr-2002) patch-2.5.9.gz
- Mailing list
- WINRADIO
- Wireless Tools for LINUX (WaveLan, Orinoco, HP)
MAKE MORE MILES ON VHF by DK3XT UPDATED, MIRROR: QSL.NET
Meteor shower data
MS-stations E-mail list (EU)
Useful VHF Links/Utilities (Hasznos VHF linkek Európára és az USA-ra)
- Near-Real-Time MUF Map
- OPDX Bulletin - Internet Edition by KB8NW Updated!
- Pannon DX Klub (Hungarian)
HAM csere-bere
HA4DX (ex: HA4GDO)- QRZ - CDROM callbook
- QSL.NET
- Radio Amateur Technology Society in Finland - OH2NXX
- SIX meters World Wide Club
- The Amateur Radio WebRing
- Tropospheric Ducting Forecast EUROPE
- Radio Amateur Callbook
- University Amateur Radio Clubs -HUNGARIAN University Amateur Radio Pages:
HA5MRC
HA5KFU
VERON VHF Bulletin- VHF + Newsletters
- VHF Software Links
WZlV HAM links (Updated)- WEATHER & SOLAR INFO
- WORLD MUF MAP
- World Table of Allocations - ITU Frequency Band Allocations
- Yahoo: Amateur/Ham Radio
- 10-X (Ten-Ten International Net)
- 425DXNews Good DX information
- 50 MHz EME-NET
- 50 MHz Propagation Logger
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Antennas:
- Antenna Links By N0BR
- A Double Quad Antenna for 1296 MHz By DL5NEG
- Amateur Radio Antennas Resources de K3URT (...has moved!)
- ARRL Radio Designers Files
- Astron Antennas Tech Library By W1JR
- A Two Element Fractal Quad for 10m By N1IR
- Build A 9 dB, 70cm, Collinear Antenna From Coax By N1HFX
- EH Antennas By W5QJR
- How to Become an Antenna Guru
- Homebrew high gain colinear antennas for repeater use (70 and 23 cm) By WA6SVT.
- Home-brew Antennas By G4CYA
- Magnetic Loop By GW0TQM
- Magnetic Loop Links
- Original 438 MHz colinear design. By ON6ZX
- Parabolic Reflector Gain And Focal Point Calculator Interactive
- RADIATED EMISSIONS MEASUREMENT SYSTEMS TUTORIAL By MICHAEL A. NICOLAY
- The W1GHZ Online Microwave Antenna Book
- WA5VJB "Cheap Yagis" 144MHz, 222MHz, 432MHz and 902MHz (By WA0FMS)
- VHF/UHF Long Yagi Workshop By G3SEK (...has moved!)
- DJ9BV: Yagis for 6m (1998)
- DJ9BV: BVO2 Yagis (1998)
- DJ9BV: OPT70 Yagis (1998)
- DJ9BV: DL6WU Yagis for 23cm
- DL6WU Yagi for 2320MHz
Antenna Simulators:
- ANSOFT Ensemble Student Version
- Antenna Designs - YO files By K5TR
- Download Antenna programs (QRZ.COM)
- EH Antenna ONLINE design: Bi-Cone, Phase Network design By W5QJR
- EZNEC By W7EL
- GRASP8W-SE TICRA
- NEC Archives by WB6TPU
- NEC4-WIN95
- Nittany-scientific.com: NEC-Win Plus, NEC-Win Pro, GNEC (Graphical NEC), NEC-Win Synth
- MININEC
- MMANA By JE3HHT
- QuickYAGI By WA7RAI
- SuperNEC
- XFDTD REMCOM
- YO (Yagi Optimizer) K6STI
- WASP-ANT Analysis tool for large finite slot and patch arrays
Amateur Radio Satellites:
Amateur Radio DSP Projects:
- DSP-10 Project: W7PUA, published in QST magazine (in 9, 10, 11 of 1999)
The DSP-10 is an amateur-radio 2-meter transceiver that can be built at home. It operates on SSB, FM and CW modes. Features are tailored to operation with weak signals on VHF, UHF and Microwave frequencies.- The DSP-10: An All-Mode 2-Meter Transceiver Using a DSP IF and PC-Controlled Front Panel -- Part 1 (626,393 bytes, PDF file) QST September 1999, pp. 33-41
- The DSP-10: An All-Mode 2-Meter Transceiver Using a DSP IF and PC-Controlled Front Panel -- Part 2 (PDF-file) QST October 1999, pp. 34-40
- The DSP-10: An All-Mode 2-Meter Transceiver Using a DSP IF and PC-Controlled Front Panel -- Part 3 (2,108,685 bytes, PDF file) QST November 1999, pp. 42-45
- Using the Motorola DSP56002EVM for Amateur Radio DSP Projects KC7WWALEF NULL DSP4 doc1.pdf (367 KB) doc2.pdf (177 KB) doc3.pdf (161 KB) doc4.pdf (487 KB) doc5.pdf (421 KB)
- "BEACON 99" -144 MHz...10 GHz Articles in PDF format (PHARE program) by S53M (modificated)
DIPLEXERS:
- RF -design and examples
- FIL-TECH
- N6CA
- 144/432 MHz Diplexer By HA8ET (Original Article: CQ DL 7/98)
- 435/145 MHz contiguous diplexer
Using SERENADE 8.7 Design Suite. By HA8ET (DESIGN EXAMPLE, PDF 2.7 MB, English)- 6 m Heliax Duplexer By WB5WPA
- 6m-2m/432 MHz By K2LDT
DDS Technical Articles & Application Notes:
- Analog Devices Technical Articles
- Single-Chip Direct Digital Synthesis vs. the Analog PLL
- DDS Technology By Zs. Pápay
- DDS links
- Modified R2 short wave Radio receiver with DDS VFO
- EW and RADAR SYSTEMS ENGINEERING HANDBOOK By (HTML & PDF) It was originally published by the Avionics Department of the Naval Air Warfare Center Weapons Division
- DF9CY Technical Articles
- Electronics magazines (ePanorama.net)
- Electronics_tutorials By VK2TIP
Filter designers:
- ALK Engineering:
-PCFILT Filter design and analysis software
-S/FILSYN Filter synthesis software
-LC-LAYOUT L-C Filter design to component layout software overview- Electromagnetic Simulation technologies ElSiTech - Design software for waveguide filters and diplexers
- ELSIE, The filter design and network analysis program Download: Student version
- FILPRO Microwave and RF Filter and Multiplexer Design Software. By Prof. Dr. Nevzat Yildirim
- Nuhertz Technologies, L.L.C.
-Filter Solutions A powerful analog and digital filter design and analysis
-Filter Light is similar to Filter Solutions above, but is less costly
-Filter Free is the free version of Filter Solutions. Download Filter Free Version 3.0- OMICRON - Electronic Filter Design Software - Specializes in filter design software tools and consulting foractive, passive, and digital electronic filters QuickFil 5.1 Demo
- Q-Filter - Microwave Filter Design Software
- Schematica
-Filter Wiz PRO
-Filter Wiz LE
-OpFil- Tunekit® version 2.0 for Windows Filter Tuning Kit
- WAVECON - Microwave/ RF Filter Design Software
ONLINE Filter designing:
- Active Audio Filter Design Calculate component values for active audio filters
- Butterworth Lowpass and Highpass Filter Synthesis by Max Froding
- Cauer Elliptic Bandpass Filter Design by Max Froding
- Calculate the resonant frequency of L-C circuits WA4DSY-NET
- HF Filter Designer Calculates component values for HF filters
- Interdigital Bandpass Filter Design WA4DSY-NET
- Interactive Digital Filter Design
- LC Filter Design
- Waveguide Microwave Filter Design and Analysis Guided Wave Technology
- 3-Pole Butterworth Characteristic Bandpass Filter Calculator (Interactive)
FILTERS (other):
- G3SEK's Amateur Radio Technical Notebook
- Interactive Wireless Network Design Analysis Utilities (...has moved!)
- HAM Radio Articles de KA5ZTX (...has moved!)
HOMEBREW:
- Amateur Radio Homebrew resources de K3URT ...has moved!
- A Binaural I-Q Receiver (445,723 bytes, PDF file) QST March 1999, pp. 44-48
- G3DWG: High performance 23cm transverter
- G3PTO Oscillators, transmitters, receivers, test equipment and antennas
- HA8ET: Return Loss Bridge 1,8 MHz...1300 MHz (Original Article: CQ DL 6/96)
- Homebrew General Coverage Radio Receiver 30 kHz ... 30 MHz
- JF1OZL A large and varied selection of projects to build
- JG1EAD Homebrew transceivers and a 500 MHz spectrum analyzer
- KD9JQ Homebrewing freeware, circuits, and technical information ...has moved!
- N4UAU 25 projects
- N6IZW Low Cost Noise Source for VHF through 10 Ghz
- QSL Cards: How to Make Your Own - Homebrew custom QSLs on a PC. By WA3DPL
- RU3AEP Projects include test equipment and an all band HF transceiver (URL not found!)
- S57NAN Homebrew transceivers and other projects
- S57UUU Mechanical T/R switch for 10GHz EME
- SM0VPO Harry's Homebrew Homepage
- The DX Zone/Hombrew
- W8ZR Homebrew Gallery
- YU1AW Extremly low noise and high IP3 Preamplifiers for 144, 432 and 1296 MHz
- K1TTT Technical Reference, Tecnical Note Topics ...has moved!
- K5TR Home page
- LA8AK Publications
- Miscellaneous Wireless Pages
- Manual Archive (BANA) By K4XL
- Free Manual Links By K4XL
- N0BR Home page
MODIFICATIONS:
QRP:
- QST (software) Files: Source codes for microcomputers and microcontrollers, morse code, Basic Stamp, Az-El Satellite Antenna Rotator System, EPROM binary program file for CW, DigiVFO, Filters, ....etc,
- RF CAFE
- RF Globalnet
- RF & Electronics Magazines
Spectrum Analyzers:
- Automatic Noise Figure Measurements with a Spectrum Analyzer CT1DMK
- Homebrew Spectrum Analyzer Projects Exellent!
- Specrtrum Analzyer/Monitor Receiver Science Workshop
- HP141 Repair and Comments by WB8ZDF.
- I6YPK with his HP141
- Tutorial (PDF)
- Spectrum Analzyer for the Radio Amateur By W7YOI, K7TAU
- Spectrum Analyzer for the Radio Amateur - Part 2
- W7ZOI/K7TAU Spectrum Analyzer Constructed by N8QOH
- "-" AE4GX's version
- Web page for the W7ZOI spectrum analyzer featured in QST
- WB9LYH Microwave Spectrum Analyzer
- Sweeper by KD4YGU
- Tracking generator by KE5FX.
Transverters & Converters:
- 50 MHz transverter By DK7ZB
- 50 MHz transverter By EI9GQ
- 50MHz transmit conv. By EI9GQ
- 144MHz receive conv. By EI9GQ
- 2,4 GHz ATV Exciter By IK8UIF
- DL5NEG Various receivers, transceivers and converters for HF to UHF
- The Repeater Builder's Technical Information Page
- The UKSMG Six News Archives
- Tricks, and modifications of HAM rigs, HAM modems, etc
- VK2TIP Ian Purdie's electronics tutorial radio design pages for amateur
- Wenczel Associates Technical Library
- Wireless Network HOW-TO
- 137 kHz AMRAD Low Frequency Web Page
- LF Preamplifier
- PA0SE Field strength meter for the 137 kHz band
- ATTIC LOOP ANTENNA by Bill Farmer, W3CSW
- Modifying the RX320 Receiver for LF/VLF Operation
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- BURLE Power Tubes APPNOTES
- EIMAC Innovators in Power Tube Technology APPLICATIONS (...has moved!)
- Electron Tube Database 1958-1961
- GlassWare
- Japanese Tube Links A lot of good information and links
- JA0EIV
- ND2DX/5 QRO via Russia
- KW TUBES (LY2KW)
- Power Tubes (Ex: UT7CT)
- Russian Tubes for Amateur Radio
- Russian Vacuum Tubes Used in broadcasting, amateur radio, Hi-Fi audio, meteorology, communication, medical applications and industry.
- Shortwave Transmitter Tubes
- Tube Database Search
- The Tubes and Valves Online Database - Röhrentabellen
- Tube Data-Sheets By DF6NA
- Tubes Pages by AF4K Over 170 Great Links and Growing!
- TUBEPEDIA Cathode Ray and Photo Tubes
- The Vacuum Tube Page (...has moved!)
- Tube World
- Tube CAD Journal
- Tubes Data sheet amateur radio (Example: GS-23B)
- Tube Database (searchable) by N7JP
- Tubes Vs. Transistors
- Tom's Tubes Your Russian Tube connection (...has moved!)
- Transmitting Tube Data (G3SEK) (...has moved!)
- Triode Electronics-The Big Tube Data Page
- Vacuum Tubes, Electron Tubes, Tubes BUY -- SELL -- SWAP
- Vacum Tube Links (...has moved!)
- VTDATA Software A Comlete Tube Manual on Your PC
Construction Articles and Technical Notes for Using Svetlana Tubes
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- Lunar-Link Power Amplifiers BY K1FO (3CPX800A7: higher peak power)
- Commander Amplifier
- Hank's YC-156 Amp pages
- Homebrew Amplifiers (Pictures, edited: by W7IUV) (REMOVED???)
- QRO ND2X
- Lower IMD from Tetrode Power Amplifiers G3SEK (...has moved!)
- Semi-professional 23cm Cavities YL-1050, TH-327 By DF6NA
- 144 MHz EME amplifier using the QBL 5-3500 By SM2CEW
- 144 MHz EME amplifier using the 4CX-1500B By N1BUG
- VHF Amplifiers 3CX-1550A/8877 By VE3KH
- W2GN Amplifier articles. Stripline KW series (50MHz, 144MHz, 220MHz) in PDF
- W6SAI 8877 1,5kW 2m, EIMAC Newsletter AS-47
HOME MADE Power Amplifiers with "low cost" russian tubes |
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| Tubes | 50 MHz |
144MHz |
432 MHz |
1296 MHz |
| GI-6B, GI-7BT (1X.., 2X..) |
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| GI-23B | ||||
| GI-46B | HA1YA |
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| GS-31B | HA1YA |
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| GS-35B | ||||
Tetrodes |
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| GS-23B | ||||
| GU-74B (4CX800A) |
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| GU-78B | ||||
| GU-84B | ||||
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- ACOM 2000A AUTOMATIC HF LINEAR AMPLIFIER (2 X GU-74B)
Specifications
Photograps
ACOM 2000A Manual
Testimonials and Reviews (ON4UN, W2UP, N5ZC)- ALPHA / POWER, INC.
- AMPLITEC HA8UG
- ANDREW Communications Systems:
DX-1600- DIFONA HF Power Amplifiers
- EMTRON Amplifiers
DX-1b: GU-74B (From 160 thru 10 meters including WARC bands at full power -800W)
DX-2: GU-84B military grade tube (1500W)
DX-2SP: GU-84B military grade tube (2000W)
DX-3: The "BIG GUN" GU-78B (3000 watts continuos RF output power, 4000 watts PEP).QRO Technologies
HF-1000, HF2000, HF2500DX, HF2500DX & MARK III
HF-3KDX, HF-3KDX MARK IIG2DAF Power Amlifier Projects By SM3BDZ
EI9GQ: Passive grid linear amp (OUT=300W)
- ARTICLES AND REVIEW:
(AMERITRON AL-572, AMERITRON AL-800H, ALPHA 99 REVIEW, QRO HF-2000 AMPLIFIER, AMPLIFIER DESIGN NOW, QRO HF-3KDX...)- 1,8 MHz...54 MHz Low Pass Filter (1500W) By K8CU
- Meter-scale drawing program By WB6BLD (Download)
- Check the OH2AQ 144 MHz WebCluster
- Check the OH2AQ 432 MHz WebCluster
- Check the OH2AQ 1.2 GHz WebCluster
- Check the OH2AQ 10 GHz WebCluster
- 432 and Above EME Newsletters by K2UYH
- Address list of Active EME Operators.
- EME Activity Logger
- Moonbounce
- AF9Y Home Page
- G3SEK EME pages (...has moved!)
- G4ZHI - Home Pages
- GM4JJJ
- K2UA Tower an antennas
- KB2AH Home Page
- Moon-Net
- N1BUG Home Page
- NLSA Moon-NET
- SM2CEW
- SM5BSZ Home Page
- The Dish Antenna Gallery
- The Gallery of the EME Arrays
- The 10th International EME Conference 2002 PRAGUE
- VHF / EME Homepages of VE3KH / VE3KDH / VE3ONT
- W5UN Home Page
- W6/PA0ZN Page
- WB6JNN Home page
- FIRST Radar Echoes from the moon (1946 !)
- N1BWT 10 GHz Pages
- European Microwave News - Supporting Microwave Radio Across Europe UPDATED
- EA6ADW - Microwave Info
- G3PHO Microwave HOMEPAGE (...has moved!)
- G4DDK Microwave Web page
- KB2AH 1296 MHz Equipment
- KO6YQ's Ham Radio Index - VHF/UHF/Microwave Links
- Microwave Modules
- N0EOQ & KA0NNO u/shf page
- North Texas Microwave Society
- N6GN's Microwave Link Page
- VK5KK's Microwave HomePage
- W6BY's Microwave Amateur Radio Home Page
- WA1MBA Microwave
- WA6CGR Microwave
- WA8WZG Microwave accs.
- WB2VVV - Ham Radio
- Software for Microwaves
- The Word Above 1000 MHz
- Waveguide and Radio- Papers & Information links
- Amateur Radio Sounblaster Software Collection -DL9QJ
AF9Y- DSPBOX v 1.0
- DSP Pages -- By Thomas Sailer -- HB9JNX (...has moved)
- http://www.freeyellow.com/members/padan
- TI DSK 'C50
- TIMEWAVE
- DSP-9+
- DSP-599ZX
- PK-232/DSP
WSJT HOME PAGE (K1JT)
- 1409.org
- Amateur Radio Society of the Technische Hochschule Darmstadt
- AX-25 Tools and Library (Linux)
- Bavarian Packet Radio Group BAYCOM
- Digital Communications Virtual Library
- Discussion relating to Amateur Radio and Linux
- HA5OB Home Page
- Hardware Info Desk
- Kantronics (Wireless packet modem)
- N6GN's Higher Speed Packet Page
- Linux AX25-HOWTO ...has moved!
- PacComm Packet Radio Systems
- Packet Radio A page with many packet and spread spectrum related links.
- Packet radio database (Links2go)
- Packet, CW, SAT, FAX, RRTY Publications (Technischen Universität München) ...has moved!
- Pactor News (by N8PS)
- PAXON
- S51RM/S53RM home page (packet radio)
- SYMEK Packet-Radios TNC2H, TNC3, TNC21S, TNC31....
- TAPR Home Page
- TNOS Central
- WA4DSY (56kB RF modems)
- Western Australian Amateur Digital Communications
- Wide World of Packet Radio by KA4BYP
- SSMAG
- Miscellaneous Wireless Links Page
- SSS Online HAM Radio Links
- SSS Online Ham Radio SST Design By KC6YJY
- Arizona Amateurs on TV
- Amateur Television, Niederhein (Germany)
- ATN Amateur Television Network
- ATV Info: DB0HEX
- ATV/SSTV by VE4TV
- British Amateur Television Club
- Brookdale Amateur Television Repeater System
- HUNGARIAN ATV SITE
- G0ITP Amateur Radio SSTV page
- G8GTZ ATV home page
- OH3TR ATV Site
- ATVS - ATV team Slovenian
- Swiss ATV
- The Amateur Television Directory
- The Severnside TV Group
- The Baltimore Radio Amateur Television Society (BRATS)
- The UK Home of Slow Scan Television
- Utah ATV
- Vester SSTV software. (783k) QST
- Vester SSTV software version N. (980k) QST
- 2.4 GHz FM ATV
- A&B Trade Kft. (Hungarian)
- Albrecht
- Alinco GmbH
Ameritron HF-Linear PAs- ANICO Kft. (Hungarian)
- BogerFunk
- CompoTRON GmbH
- Funkceneter Conrad
- Funkboerse (Online)
- Funkauktion (Online)
- HF-Technik GmbH & Co.KG
- HY-Line
- Municom
- Otto’s Funkshop Düsseldorf
- RADAU-Funktechnik
- Richardson Electronics
- SE Spezial-Electronic GmbH
- SHF Microwave Parts Company
- Stabo Elektronik GmbH & Co KG
- WIMO
- AMSAT FTP Site
- AMSAT FTP -software
- ARRL FTP Site
- Boston ARC
- DL5MO FTP list
- FTP server at FUNET
- http://ftp.pspt.fi/ham/ftp.ucsd.edu/
- HAM-MSDOS Softwares
- ftp://sss-mag.com//
- ftp://ftp.ucsd.edu/hamradio/
- JNOS FTP Site
- K2MM
- LOGPlus Software
- N4GN FTP sites
- N6ND
- QRP FTP
- QRZ Anonymous FTP server
- Satellite FTP
- The FCC: ftp.fcc.gov/pub/
- TAPR FTP Site
- TAPR FTP Software Library
- University of Buffalo
- 100 Years of RADIO (Guglielmo Marconi)
- BioElectroMagnetics
- Electromagnetic Fields and your health
- Classic Radio Gallery
- Digital Radio - Digital Audio Broadcasting (DAB)
- HAMMOND Museum of Radio
- Heathkit Virtual Museum
- Hungarian Radio Museum
- Drake Virtual Museum
- Virtual Collins Radio Museum By WA3KEY
- VE2DM's Wonderful World of Amateur Radio:
TELEGRAPH, Morse:
- A Brief History of the Morse Telegraph
- Links, References, & Periodicals
- Telegraph & Scientific Instrument Museums
- The "KA2MGE" Telegraph Collection
- Internet Optical Telegraph Information
- The Western Union Archives at the Smithsonian Institution
- Telegraph LORE
- WWV Radio Station Info and photos
- AMSAT
- CEPT Amateur Radio Club
- QCWA
- SETI League The SETI League is one of the groups carrying on the search for extra-terrestrial intelligence.
- Ten-Ten Ten-Ten International Net, Inc.
- DX Newsgroup
- General information Newsgroup
- Swap Newsgroup
- Space Newsgroup
- Antenna Newsgroup
- Digital Newsgroup
- Equipment Newsgroup
- Homebrew Newsgroup
- Policy Newsgroup
- Miscellaneous Newsgroup
- No Code group
- Microwave Group
- VHF-UHF Group
- Amateur TV
- National Weather Radar National Weather Service Forecast Office - Norman, OK NWS
Spotters Guide Skywarn ...has moved!
NOAA Weather Radio
QSL-Net
Master Users
YO5KAI - Cluj "Unirea" HAM Club
S50LEA
Hamradio Online
The Radio Picture Archive
www.qrz.com
HAM Softwares
HAM Maps
RTTY Contest calendar
Various Links:
Softwares:
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