Contest Calendars
Contest Scores, Rules, and Results
Contesting Software
- Contest LogChecker
- Country Files for Logging Software
- CT by K1EA
- DXlabs Helpful Links by AJ4F
- K9JY's Writelog Site
- Log conversion tools by SP7DQR
- LogConv by KA5WSS
- N1MM Logger+
- NA by K8CC
- RufzXP - CW Trainer by DL4MM
- SD HF Contest Logger by EI5DI
- TR Log by N6TR
- Win-EQF by N3EQF
- Writelog by W5XD
- WT4I Contest Tools
DX Cluster Information
DX Information
- 425 DX News home page
- ARRL DXCC Visual History Chart
- ARRL Operating Permit Info by Country
- DX Holiday Website
- DX Summit (DX Spots and Archives)
- DXCC Entities List
- Houston Beam Headings
- ITU Callsign Allocations
- QRZ DX & DX Magazine
- Recent ARRL DX Bulletins
- Recent OPDX Bulletins
- The Daily DX home page
- World Time by Cities
- Worldwide Licensing Info
Emergency Readiness
General Contesting Information
Houston Area Clubs
- BVARC - Brazos Valley ARC
- Clear Lake Amateur Radio Club (CLARC)
- Houston Vintage Radio Association - HVRA
- Johnson Space Center Amateur Radio Club
- Northwest Amateur Radio Society (NARS)
- Pearland Amateur Radio Club (PARC)
- Texas Emergency Amateur Communications (TEAC)
- Tidelands Amateur Radio Club (TARS), Texas City
Miscellaneous
- AMSAT - Online Satellite Pass Prediction Calculator
- Astronomy Picture of the Day Archive
- Building an Authentic 1937 Ham Station
- Delta DX Association - New Orleans
- FCC - ULS Online Lookup
- History of the Car Radio, The (courtesy of Nicole)
- History of the Quartz Crystal Industry in the USA
- Hubble Telescope Wallpaper Website
- Kenwood Service Bulletins
- Microphone Connections for Popular Rigs
- North Jersey DX Association
- Repairing a HyGain Tail-Twister Rotor
- Texas Amateur Radio Repeaters
- Tower Data and Safety Info
- Troubleshooting Traps
National Organizations
Propagation
- DX Toolbox - HF Radio Propagation
- DXProp & PropHF Free Programs
- Geo Clock
- Great Circle Maps
- Grid Square - Latitude Longitude Conversion
- NASA Real-Time Satellite Tracking Website
- Near Real-Time MUF Map
- On-Line HF Propagation Prediction
- Propagation by N6RT
- Roy Hradilek, AD5Q Propagation History & Forecasts
- SunSpotWatch.com
- W1AW Propagation Bulletins
- W6EL Propagation
- Worldwide Sunrise / Sunset Calculator
Space and Terrestrial Weather
TDXS Member Home Pages
Texas Clubs
- Brazos Valley Amateur Radio Club
- Central Texas DX & Contest Club
- Dallas/Fort Worth Contest Group
- Houston Amateur Radio Club
- Houston ECHO Society
- Katy Amateur Radio Society
- Lone Star DX Association
- Northwest Amateur Radio Society
- Stephen F. Austin Radio Club - Bellville
- Temple Amateur Radio Club
- Texas VHF-FM Society