Technical and scientific references:
Confirmed “active” repeaters in Central Texas via, with ability to export toCHIRP.
VHF propagation map using APRS data
Tropospheric ducting forecasts for eastern North America
PSK Automatic Propagation Reporter map view
HeyWhat’sThat path profiler
Longley Rice coverage maps
Repeater search at with map display
Repeater search at
Repeater database at ArtSci
AllStar node list
Broadband HamNet
Autopatch facilities in Austin
Repeater Builder’s Technical Information Page
NOAA geostationary satellite server
National Weather Service – Austin / San Antonio

Community services:
7290 Traffic Net
Travis County Amateur Radio Emergency Services
Austin Office of Homeland Security and Emergency Management
Motorcycle Special Events Team
Texas Severe Storms Intercept team
Lone Star Storm Spotters
Austin Community Emergency Response Team (CERT)
Travis County REACT
Solar weather via Texas Army MARS
FEMA citizen preparedness guide

Clubs and interest groups:
University of Texas Amateur Radio Club
Austin Amateur Radio Club
3M Amateur Radio Club
Williamson County Amateur Radio Club
Bastrop Amateur Radio Club
Hays/Caldwell Amateur Radio Club
Highland Lakes Amateur Radio Club
Roadrunners Microwave Group
Central Texas DX and Contest Club
Texas VHF-FM Society
Texas Hams
Austin QRP Club
Saltgrass link system amateur radio club
Southwest Lynx system
Lone Star Link System
South Texas Link SystemARRL South Texas Section

Swap meets:
Austin Summerfest
Belton Ham Expo
Ham-Com in Plano
Georgetown Swapfest
Schertz Radio Fiesta via the San Antonio Radio Club