Frequencies
The following list of frequencies is used by Gwinnett ARES during training, public service and emergency events. Gwinnett ARES members should program all frequencies into their radios to be prepared for all events.  A pocket guide can be downloaded as a PDF or Excel (updated 09/21/2014).

 
Gwinnett ARES Frequencies

Freq

 Notes

Enc/Dec*

Primary VHF Repeater (W4GR) 147.075+ PL 82.5 ED
VHF Repeater (W4GR) 147.255+ PL 107.2 E
UHF Repeater (W4GR) 442.100+ PL 100.0 ED
UHF Repeater (W4GR) 444.525+ PL 82.5 E
UHF Repeater (WB4QDX) 442.400+ PL 100.0 ED
Portable VHF Repeater (W4GR) 147.045- PL 82.5 ED
Portable UHF Repeater (WX4NET) 440.800+ PL 100.0 ED
ARES VHF Simplex 1 (General Use) 146.505 Simplex  
ARES VHF Simplex 2 (Local talkaround) 147.555 Simplex  
ARES UHF Simplex 1 446.100 Simplex  
ARES UHF Simplex 2 446.175 Simplex  

* Enc/Dec - E indicates PL encode is required for access.  D indicates that the repeater transmits tone and Tone Squelch may be used.

Frequencies utilized by nearby counties are listed below.  They are useful in supporting activities in those areas and in an event covering a wider geographical area.

Area ARES Frequencies Freq Notes Enc/Dec*
Metro Atlanta Skywarn (W4DOC) 146.820- PL 146.2 ED
Metro Atlanta ARES Net (WX4NWS) 145.430- PL 107.2 ED
DeKalb County ARES (W4BOC) 145.450- PL 107.2 E
North Fulton County ARES (N4CLA) 147.060+ PL 100.0 E
Walton County ARES (WE4RC) 442.050+ PL 77.0 ED
Hall County ARES (W4ABP) 146.670- PL 131.8 ED
Newton County ARES (WA4ASI) 146.925- PL 88.5 ED
Rockdale County ARES (KF4GHF) 147.210+ PL 162.2 ED
Clarke County ARES (KD4QHB) 146.745- PL 123.0 E
Forsyth County ARES (WB4GQX) 147.150+ 141.3 E
Jackson County ARES (NE4GA) 147.225+ PL 123.0 E
N. Fulton County ARES (N4CLA) 147.060+ PL 100.0 E

During Severe weather, WX4PTC operates a severe weather linked repeater system for the state of Georgia. Locally, the Atlanta Radio Club is linked in on 146.820- (PL 146.2 Hz)

The Gwinnett ARES packet digipeaters operate on 145.590 MHz.  The current callsigns, aliases and node IDs are as follows:    

Location Callsign Alias Node ID
Buford WX4NET-6 BUF BUFGA
Lawrenceville WX4NET-7 LAW LAWGA
Snellville WX4NET-8 SNL SNLGA

Gwinnett D-STAR Digital Repeaters (Internet gateway equipped)
    
Callsign Module Description Frequency
WD4STR C Lawrenceville VHF DV 145.060 + 1.4 MHz
WD4STR B Lawrenceville UHF DV 440.550+ 5 MHz
WD4STR A Lawrenceville 1.2 GHz DD 1298.000 MHz

Gwinnett Motorola Maxtrac Mobile Radio Programming
The table below indicates the channel programming of the 15 channel Motorola Maxtrac mobile radios converted by Gwinnett ARES.
  

Channel

TX Frequency

Comment

1

927.5125

KD4GPI - Downtown Atlanta Repeater

2

927.5250

N8EKA - High House Mountain Repeater

3

927.5375

(reserved by Atlanta Radio Club, not on air)

4

927.5500

WX4NET - Gwinnett Medical Center Repeater

5

927.5625

 

6

927.5750

Sweat Mountain Repeater - Cobb County

7

927.5875

 

8

927.6000

 

9

927.6125

 

10

927.6250

 

11

927.6375

 

12

927.6500

 

13

927.6875

Sawnee Mountain Repeater - Cumming

14

927.4875

Itinerant Repeater Pair

15

927.5000

Simplex

A special thanks to the Gwinnett Amateur Radio Society for their support and the use of their communication system.