Helpful Links



ARRL is the national association for Amateur Radio in the US.

ARRL South Texas Division

This is an extension of the ARRL website to better serve the ARRL South Texas Section.

ARRL West Gulf Division

Representing amateur radio in Oklahoma & Texas

   The Hurricane Watch Net

The Hurricane Watch Net generally activates whenever a hurricane is within 300 statute miles of expected land-fall of  the Caribbean, Central America, Eastern Mexico, Eastern Canada, as well as all US Coastal States.


NetLogger is a great tool used by many Net Control Stations and other stations wanting to follow along with net check-ins.

  NWS Brownsville/Rio Grande Valley

National Weather Service & forecast office for the Rio Grande Valley.

QRZ is a helpful tool to look up call signs, but offers so much more!


SKYWARN® is a volunteer program with between 350,000 and 400,000 trained severe weather spotters.

Space Weather

The Space Weather Services or SWS (formally known as IPS Radio and Space Services or IPS) is the space weather and HF communications section of the Bureau of Meteorology that monitors and forecasts space weather conditions, which include solar activity, and geophysical and ionospheric conditions.

Sun Spot Watch

This is a live reference resource site for solar and geomagnetic data and images.

   Tropospheric Ducting

6-Day Forecast of VHF, UHF & Microwave Radio & TV Anomalous Propagation & Interference

Solar-Terrestrial Data and Band Conditions Solar Banner

Live Sunlit Map with Maximum Usable Frequencies (MUF) Data MHz (+/- 5%)