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The NWS uses radio, satellite and Internet broadcasts for disseminating the EMWIN datastream. RECEPTION and REPEATING of all broadcasts requires specialized equipment or software, available commercially(some for FREE). The following vendors supply general off-the-shelf hardware or specialized equipment useful for receiving, rebroadcasting, and using EMWIN data.


Note: a listing here does not imply any particular endorsement by the NWS  disclaimer as a  function or suitability for your purpose of environment.


Werner Labs Inc.
WWW home page:
Provides dual mode receive systems that will ingest EMWIN N or EMWIN-I. Also, offers components to make many of the current EMWIN-I system EMWIN-N ready. 

Zephyrus Electronics, Ltd -
171 S. 122 E. Avenue
Tulsa, OK 74128-2405
(918) 437-3333 Fax:(918)438-7322
Contact: Robert Hale
WWW home page: Zephyrus
WWW e-mail: Zephyrus
EMWIN Hardware and Software. Complete EMWIN solutions.
Manufacturer of GOES EMWIN earth station systems with automatic switching between two satellites. Currently developing an EMWIN-N system. EMWIN retransmission processors for wire distribution or VHF broadcast. Frequency agile VHF receivers for high speed satellite and radio use of EMWIN. Allows for live weather data stream into
your PC via satellite and radio

Weather Message
WWW home page: Weather Message
Offers specialized software to decode and process National Weather Service messages.  This software can be used to provide weather information and storm alerts to local governmental agencies, schools, and private groups.

OneStep Computers Inc.
HC-01, Box 8312
Loiza, P.R., 00772
(787) 256-0753 voice/fax
Contact: Jose Alejandro, or Jimmy Rivera or Iselis Font
WWW home page: OneStep Computers
Offers EMWIN equipment, technical support and repair. Also distributes weather stations, weather radios and other weather related equipment.

WWW home page: Group2call
Group2call is a voice and message broadcast service that allows users to send voice, email or SMS messages to any phone for an affordable cost.  The service will interface with Weather Message software and allow users to send text products (warnings, forecasts etc.) to phones, cell phones, SMS devices and email.  The service can use automated text to speech conversion to automatically call your telephone devices and deliver warnings using speech.

The Emergency Email Network
"A Public Private Partnership"
10151 Deerwood Park Blvd. 200-250
Jacksonville, FL 32256
(904) 371-3217
(208) 730-6219 (fax)
WWW home page: Emergency Email Network
Public service E-mail Delivery of Weather Warnings and Alerts on a county by county basis
from IWIN and EMWIN data streams. Available to the public at large. Also
provides other emergency data source delivery from other government sources.
Free - You can set up to email your computer, or alert your pager, PDA, or cell phone.

Storm Alert Inc
InterWARN software download here
Interwarn is a state of the art program that handles all your
weather related needs. InterWARN turns any Internet connection or
EMWIN feed into your own automated personal wire service for National
Weather Service watches, warnings, and statements

Skywatch Weather Services
WWW home page: Skywatch/EMWIN
WWW e-mail: RealEMWIN
EMWIN Software. EMWIN Internet Data broadcasting and receiving software,
Software packages for free Automatic paging of Weatherproducts
to your pager from your own computer systems,
mailing lists & services

400 Daily Lane
P.O. Box 5210
Grants Pass, Oregon 97527
(541) 474-6700
(541) 474-6703 (fax)
WWW home page: Tigertronics
WWW e-mail: Tigertronics  
EMWIN hardware. EMWIN Modulators and Demodulators for Satellite and Radio Broadcasts.

Weather Graphics Technologies,Inc.
P.O. Box 450211
Garland, TX 75045
(888) 388-0070
(405) 573-0700
(972) 495-6848 (fax)
WWW home page: Weather Graphics
WWW e-mail: Weather Graphics
EMWIN Hardware and Software. Latest version of DIGITAL ATMOSPHERE software. Graphical weather
display applications for EMWIN. Turnkey hardware-software packages
for receiving, displaying, and use of EMWIN. World Wide Maps and features.
GeosTech, Inc.
307 Clinton Avenue, Suite 120
Huntsville, AL 35801
(770) 557-3000
WWW home page: Weathertrac
WWW e-mail: Weathertrac
The ULTIMATE Wx Software Archive: Weathertrac
EMWIN Software. Live Weather Information and EMWIN monitoring via Webcast. Home of 'The Ultimate Wx Software Archive' Free weather information from around the world via EMWIN satellite broadcast in graphical format. Sign up to receive FREE weather forecast, warning, and other NWS products daily or as issued via email or pager. hosts the 'Ultimate Weather Software Archive' - all downloads reviewed, rated, and validated monthly.

Weather Affirmation, L.I.C.
P.O. Box 13057
Oklahoma City, OK 73113-1057
(405) 842-0830
(405) 842-1560 (fax)
WWW e-mail: Weather Affirmation
Software, demodulators, radios, GOES satellite equipment, alphanumeric paging service and equipment.

Alert Technologies, Corp.
Suite 670
1910 Madison Ave.
Memphis, TN  38104
(901) 794-3933
WWW e-mail:  Alert Technologies
EMWIN, EAS, SAME and AFOS equipment & services
1003 Centennial Pkwy
Waunakee WI 53597
WWW home page:
Utilizies NWS Weather Wire and EMWIN services. offers subscription based alerts sent to your regular email inbox or text ready cell phone or pager. We have a number of emergency managers, county 911 call centers, utility companies, school district staff, first responders, storm spotter groups and Skywarn members as users. You can now get the same great service we offer them!


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National Weather Service
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Silver Spring, MD 20910
Page Author: EMWIN Team
Web site owner: NWS/OPS17
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