• 911scanner -- Scanner Frequency Guide

• AA9PW.com -- FCC and FAA Exam Practice
• AARO -- Alamo Area Radio Organization
• AB0DP -- 2 meter SSTV
• Alamo DX Amigos Radio Club
• Amateur Radio Newsline -- Amateur Radio News from Around the World
• ARISS -- Amateur Radio on the International Space Station
• ARRL -- Amateur Radio Relay League
• AMSAT -- North American Division
• Artsci Repeater Database -- FREE online searchable repeater database

• CityFreq -- Scanner Frequencies
• David Ransom's Hompage -- Lots of information on space and astronomy software, including the STSPLUS satellite tracking software.
• DXCluster (Telnet) -- Courtesy: Alamo DX Amigos Radio Club

• eHam.net

• FCC Universal Licensing System -- Callsign/registration lookup

• HamGuide - Beginner's Guide to Amateur Radio
• HamRad -- Guide to Amateur Radio Manufacturers, Dealers, Orgainzations, Mods, and HamRad Trader

• ICOM America
• IARU -- Internatonal Amateur Radio Union

• K5RMG -- Roadrunner Microwave Group
• KCOMM -- San Antonio's very own Candy Store
• KE5RS SSTV Information
• Kenwood

• MFJ Enterprises -- Amateur radio products/accessories
• Mods.dk -- World's largest radio mod site

• Natural Radio

• QRZ.com -- Ham Radio Supersite
• QSL.net -- Free website space for amateur radio operators

• RIGBlaster -- Computer-Radio interface for PSK31, RTTY, SSTV, etc.

• SARC -- San Antonio Radio Club
• Skywarn -- Texas
• Southwest Lynx Repeater System
• SSTV ALIVE -- K4FZ | Knoxville, TN | 14.230 MHz
• SSTVCAM

• Ten-Tec

• U.S. Naval Observatory Clock -- Make sure you sync your PC's clock with this one before using satellite tracking software!

• W5YI Group
• WM7D.net -- Mark A. Downing's (WM7D) web page. WM7D's callsign database, FT920 Resource Page, FT100 Resource Page, 3000 amateur radio links, and more.
• WB8ERJ -- site with lots of information of sattelite communication

• Yaesu Amateur
• Yahoo!: Ham Radio

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