These Amateur Radio frequencies are known to be in use or are available for use during the response to Hurricane Matthew. Please avoid interfering with these frequencies, and do not check into any emergency nets unless you genuinely have something of importance to contribute.

Northern Florida ARES Net: 3.950 or 7.242 MHz 

International SATERN Net: 14.265 MHz (USB) Health & Welfare Traffic

International SATERN Digi-Net: 14.065.0 MHz (Default mode is Olivia 8/500, 1 kHz offset)

Hurricane Watch Net (HWN): 14.325 MHz (USB), 7.268 MHz (LSB): Weather data and storm reports from stations in affected area

Federal Government-Amateur Radio Interoperability (Southeast United States (Florida, Georgia, South Carolina, North Carolina): 5330.5 kHz, 5346.5 kHz, 5357.0 kHz, 5371.5 kHz, and 5403.5 kHz.

These are the suppressed-carrier reference frequencies, also known as dial frequencies or window frequencies, for USB voice communication.

FEMA Region 4 in Atlanta will be using the Amateur Radio call sign KF4EMA to allow FEMA-licensed amateurs to provide situational awareness on various Amateur Radio nets within Region 4 relative to the Hurricane Matthew response.

Cuba (Primary): 7.110 MHz (LSB)

Cuba (Alternate 1): 7.120 MHz (LSB)

Cuba (Alternate 2): 7.045 MHz

Cuba (Alternate 3): 7.080 MHz

Cuba: 3.720 MHz

Cuba: 3.740 MHz

IARU Region 2: 3.750 MHz Emergency Center of Activity Frequency

IARU Region 2: 7.060 MHz Emergency Center of Activity Frequency

IARU Region 2: 14.300 MHz Global Emergency Center of Activity Frequency

IARU Region 2: 18.160 MHz Global Emergency Center of Activity Frequency

IARU Region 2: 21.360 MHz Global Emergency Center of Activity Frequency

IARU Region 2: 18.160 MHz Global Emergency Center of Activity Frequency

VoIP Hurricane Net: WX-Talk Conference, Node #7203 on Echolink and IRLP Reflector 9219. IRLP Reflector 9553 is the backup. (Due to the number of limited routes to the Echolink node for mobile devices, monitor WX-TALK on a desktop computer if possible.)