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  3. Diga-Talk

Diga-Talk

System Name: Diga-Talk
Location: Various, IL IN MI WI
County: 84 Counties
System Type: NXDN NEXEDGE 4800
System Voice: NXDN Digital
System ID: HEX: LE DEC: L14
Last Updated: May 30, 2026, 11:45 am UTC   [Updated System Location Details]
System Notes

Site 7 (Melrose Park) - appears to be off the air, moved to Stockton (Jo Daviess County) Illinois with a control channel of 463.9625, LCN 289 (WPVQ777).

Site 21 - Shorewood IL - reported as possibly off the air (8/25)

Site 205 - Champaign IL - possible additional frequencies on modified license WQIH430 451.99375, 451.925, 463.5875 9/25 modification

See the (closed) Forum Discussion for more information on the system (including information that was previously listed here)

There are apparently 3 zones in this system that can consist of up to 30 towers each (5/17)
Each Zone will show as towers 1-30 (will not include 100, 200, 300, etc)
Sites 1-30 are Chicago area (confirmed)
Sites 101-130 are Wisconsin area (confirmed)
Sites 201-230 are central/southern Illinois (confirmed)
Sites 300-330 are unconfirmed area (site number is confirmed)

Sites and Frequencies

FCC Callsigns Map Site Locations Report
Key:###.####Ctrl control channel
SiteNameCountyFrequencies
001 (1)NapervilleDuPage, IL
6 freqs · 1 control
472.946875Ctrl464.850471.700472.396875472.475472.571875
002 (2)Lake ZurichLake, IL
7 freqs · 2 control
454.396875Ctrl472.975Ctrl462.150472.2125472.296875472.696875472.703125
003 (3)LockportWill, IL
9 freqs · 1 control
472.650Ctrl461.250463.525463.700471.321875471.809375471.815625472.325472.353125
004 (4)KankakeeKankakee, IL
7 freqs · 1 control
452.746875Ctrl452.250452.325452.800461.5125462.0125463.9375
005 (5)Gary, INLake, IN
5 freqs · 1 control
471.465625Ctrl464.100471.950472.6625472.821875
006 (6)ChicagoCook, IL
8 freqs · 3 control
460.900Ctrl472.425Ctrl472.7125Ctrl471.300471.850472.000472.259375472.550
007 (7)StocktonJo Daviess, IL
1 freqs · 1 control
463.9625Ctrl
008 (8)Wilmington Will, IL
4 freqs · 1 control
463.5875Ctrl461.43125461.659375464.8375
009 (9)Mokena Will, IL
7 freqs · 1 control
471.921875Ctrl461.450463.950463.975471.900472.521875472.775
010 (A)Carol StreamDuPage, IL
8 freqs · 1 control
472.446875Ctrl454.403125461.050471.4625471.928125472.453125472.578125472.825
011 (B)MinookaKendall, IL
6 freqs · 1 control
471.975Ctrl454.415625472.209375472.215625472.346875472.709375
012 (C)Plato CenterKane, IL
7 freqs · 1 control
471.450Ctrl461.325472.0375472.175472.403125472.725472.953125
013 (D)JohnsburgMcHenry, IL
5 freqs · 1 control
472.500Ctrl454.465625461.665625462.03125472.76875
014 (E)RockfordWinnebago, IL
5 freqs · 1 control
463.9125Ctrl452.2125461.3875461.6125463.5625
015 (F)ComptonLee, IL
2 freqs · 1 control
452.6125Ctrl462.150
016 (10)Posen Cook, IL
8 freqs · 1 control
472.925Ctrl452.26875452.4625452.875454.390625454.40625471.350472.700
017 (11)DeKalbDeKalb, IL
5 freqs · 1 control
463.3875Ctrl451.975462.0875463.8625463.950
018 (12)PlanoKendall, IL
4 freqs · 1 control
462.0375Ctrl451.7625452.6875463.450
019 (13)Bremen, INMarshall, IN
1 freqs · 1 control
463.81875Ctrl
020 (14)Valparaiso, INPorter, IN
4 freqs · 1 control
471.875Ctrl471.425471.450472.250
021 (15)ShorewoodWill, IL
4 freqs · 1 control
454.434375Ctrl462.03125463.76875463.94375
022 (16)Arlington HeightsCook, IL
6 freqs · 1 control
454.4125Ctrl451.850452.21875452.38125463.450464.8875
023 (17)KirklandDeKalb, IL
3 freqs · 1 control
461.4125Ctrl461.9625463.4875
024 (18)Midway Airport (Chicago)Cook, IL
4 freqs · 1 control
454.450Ctrl451.84375451.85625452.88125
026 (1A)AuroraDuPage, IL
2 freqs · 1 control
454.475Ctrl454.396875
030 (1E)MarseillesLa Salle, IL
1 freqs · 1 control
461.4875Ctrl
103 (67)Chilton, WICalumet, WI
4 freqs · 1 control
451.559375Ctrl451.464625452.184375452.190625
105 (69)Brighton, WIKenosha, WI
6 freqs · 1 control
461.49375Ctrl452.01875452.075452.775461.70625461.90625
106 (6A)New Berlin, WIWaukesha, WI
5 freqs · 1 control
452.4375Ctrl451.8875452.3875453.0125461.3875
107 (6B)De Pere, WIBrown, WI
6 freqs · 1 control
451.550Ctrl452.0625453.0125460.7125463.4875464.7875
108 (6C)Oshkosh, WIWinnebago, WI
4 freqs · 1 control
451.850Ctrl451.6375452.3625460.9125
109 (6D)Appleton, WIOutagamie, WI
6 freqs · 1 control
464.5625Ctrl451.8375452.125452.7625461.7375464.8375
110 (6E)Fontana, WIWalworth, WI
4 freqs · 1 control
463.684375Ctrl463.690625463.934375463.940625
111 (6F)Footville, WIRock, WI
4 freqs · 2 control
452.150Ctrl452.446875Ctrl464.759375464.9375
112 (70)Madison, WIDane, WI
4 freqs · 1 control
464.865625Ctrl464.734375464.740625464.859375
113 (71)Fond du Lac, WIFond Du Lac, WI
2 freqs · 1 control
454.440625Ctrl454.446875
115 (73)Bonduel, WIShawano, WI
4 freqs · 1 control
463.9125Ctrl451.2625452.8875464.6125
116 (74)Sturgeon Bay, WIDoor, WI
4 freqs · 1 control
461.925Ctrl463.375463.9375464.4625
117 (75)Baraboo, WISauk, WI
3 freqs · 1 control
463.7125Ctrl464.4125464.8125
118 (76)New London, WIOutagamie, WI
3 freqs · 1 control
464.7375Ctrl463.6625463.9625
119 (77)West Bend, WIWashington, WI
4 freqs · 1 control
462.0875Ctrl463.6125463.9125464.4125
120 (78)Menominee, MIMenominee, MI
3 freqs · 2 control
463.8875Ctrl464.7125Ctrl462.0375
121 (79)Wausau, WIMarathon, WI
3 freqs · 1 control
452.0125Ctrl452.3875463.225
122 (7A)Ripon, WIFond Du Lac, WI
3 freqs · 2 control
463.9375Ctrl464.6625Ctrl464.4625
123 (7B)Stevens Point, WIPortage, WI
3 freqs · 1 control
451.6625Ctrl462.1125463.300
124 (7C)Rudolph, WIWood, WI
3 freqs · 1 control
452.6875Ctrl451.9875461.6875
125 (7D)Marshfield, WIWood, WI
3 freqs · 1 control
451.565625Ctrl463.6125463.850
126 (7E)Irma, WILincoln, WI
2 freqs · 1 control
464.7375Ctrl452.125
127 (7F)Hancock, WIWaushara, WI
2 freqs · 1 control
463.8875Ctrl463.3875
128 (80)Sayner, WIVilas, WI
3 freqs · 1 control
452.4625Ctrl453.015625463.8125
129 (81)Antigo, WILanglade, WI
2 freqs · 1 control
464.7875Ctrl464.300
201 (C9)SalemMarion, IL
1 freqs · 1 control
453.0125Ctrl
202 (CA)GreenvilleBond, IL
2 freqs · 1 control
462.025Ctrl454.400
203 (CB)Mt. Sterling Brown, IL
1 freqs · 1 control
461.150Ctrl
204 (CC)MattoonColes, IL
2 freqs · 1 control
452.650Ctrl452.2625
205 (CD)ChampaignChampaign, IL
2 freqs · 1 control
454.400Ctrl454.51875
219 (DB)GridleyMcLean, IL
1 freqs · 1 control
454.4125Ctrl
225 (E1)MinierTazewell, IL
2 freqs · 1 control
454.175Ctrl451.9125
226 (E2)SpringfieldSangamon, IL
4 freqs · 1 control
461.100Ctrl461.550461.675461.9625
227 (E3)JacksonvilleMorgan, IL
4 freqs · 1 control
462.375Ctrl461.7125462.250463.200
228 (E4)EffinghamEffingham, IL
4 freqs · 1 control
452.3875Ctrl451.175452.300452.350

Talkgroups

Talkgroup Category Report
Key:Enc full encryption
Chicago Metro Area
DEC Mode Alpha TagDescriptionTag
68DChicago BoardUpChicago Board-Up ServicesBusiness
70Dpaving 70road/street paving operationsBusiness
87DPark N Jet ORDPark-N-Jet Chicago (O'Hare Parking and Hotel Shuttle)Business
92DEdward/LoyolaAmbLoyola Medicine Transport (400s), Edward Ambulance Services (900s)EMS Dispatch
97DRC Topsoil LkBRC Topsoil (Lake Barrington)Business
98DAdvancedSecurityAdvanced Security Solutions (Des Plaines)Security
105Dmaterials 105materials truckingBusiness
107DNAPA 317, 318NAPA Auto Parts Stores 317 (Countryside) / 318 (Lyons)Business
111Dintermodal 111intermodal operationsBusiness
125Dmaterials 125materials trucking ops, includes Estrada Transport (Berwyn)Business
133Dmaterials 133materials hauling? concrete company?Business
149DFreedom EMSFreedom EMS (Wilmington)EMS Dispatch
153DActionK9SecurityAction K-9 Security (CTA 'L' stations)Security
186DK-5 ConstructionK-Five ConstructionBusiness
252Ddump trucks 252dump trucksBusiness
273DNU Chgo ShuttlesNorthwestern University (Chicago) Train Shuttle BusesTransportation
295DLoyolaMedicalNEVLoyola Medicine Transport: Non-Emergency VansTransportation
306DILC 306Intermodal Logistics Center? (Elwood, IL)Business
307DILC 307Intermodal Logistics Center? (Elwood, IL)Business
1047DUPRR PoliceUnion Pacific Railroad Police (out of service?)Law Dispatch
1103DRidge AmbulanceRidge Ambulance (Montgomery)EMS Dispatch
1110DNtnwideRailSvcsNationwide Rail Services (Burr Ridge) - Intermodal OpsBusiness
1136Dtaxi 1136taxi company (Joliet area)Transportation
1144DAT 1144"AT" RID aliasesBusiness
2256DAGB InvestigativAGB Investigative Services (security, Chicago)Security
3073DUoC UGo ShuttleUniversity of Chicago UGo Shuttle ServiceTransportation
3084Dmaterials 3084materials trucking - possibly Tonyan Bros.? (Ringwood, IL)Business
3092DBnsv Dial a RideBensenville (IL) Dial-a-RideTransportation
Chicago - Midway area

- The Parking Spot Midway (formerly Midway Park N Fly) has moved to 463.675 CC12 TG400 SL1. (6/17/24)

- TG 2263: Technical support and maintenance of the Integrated Safety, Security, and Operations Communications and Control System (ISSOCCS) program at Midway Airport.

- Most of the comms on these talkgroups will be heard primarily on Diga-Talk Site 24.

DEC Mode Alpha TagDescriptionTag
83DMDW Emp ShuttlesMidway Employee ShuttlesTransportation
2263DMDW SDI SolutionSDI Solutions (at Midway)Business
2265DMMG Midway EngrsMidway Maintenance Group: EngineersBusiness
2266DMMG Midway CustMidway Maintenance Group: CustodiansBusiness
2267DMMG Midway 2267Midway Maintenance GroupBusiness
2299DMDW MATCOMidway Airlines Terminal Consortium (MATCO) - Midway AirportBusiness
3078DMDW RAC ShuttlesMidway Rental Car ShuttlesTransportation
Chicago Metro School Bus
DEC Mode Alpha TagDescriptionTag
64DMorris Sch BusesMorris School Districts 54, 60c, 101: BusesTransportation
71DAmmons BusAmmons Transportation Service (Chicago)Transportation
72DGrndPrarie LkprtGrand Prairie Transit (Lockport yard)?Transportation
76DWestway Lemont Westway Coach (Lemont yard): Lisle Dist 211, others?Transportation
96Dschool bus 96School bus ops: "Aurora Base", special needs buses?Transportation
109DGrndPrarie EGVGrand Prairie Transit (Elk Grove Village yard?)Transportation
129DAmSchBus FrnkfrtAmerican School Bus (Frankford yard)Transportation
134DAmSchBus OrlndPkAmerican School Bus (Orland Park yard)Transportation
136Dschool bus 136unknown special needs transportation, "Alpha" base?Transportation
148DRichLee AuroraRichLee Vans (Aurora yard)Transportation
154DStarfish TranspStarfish Transportation (Chicago)Transportation
174DN Shore TransitNorth Shore Transit (Skokie)Transportation
188DLakeside LbtyvlLakeside Transportation (Libertyville Yard)Transportation
189DLakeside N. ChgoLakeside Transportation (North Chicago Yard)Transportation
192DGrndPrairieMt.PrGrand Prairie Transit (Mt. Prospect yard): District 59Transportation
193DAlpha School BusAlpha School Bus (Crestwood)Transportation
195DIL School Bus CoIllinois School Bus (Crestwood)Transportation
196DvansvansTransportation
244DValleyViewBus 1Valley View District 365U (Romeoville) BusesTransportation
245DValleyViewBus 2Valley View District 365U (Romeoville) BusesTransportation
289DJoliet Twp HSJoliet Township High: School BusesTransportation
304DGrndPrarieWlwSprGrand Prairie Transit (Willow Springs yard?)Transportation
Chicago Metro Towing
DEC Mode Alpha TagDescriptionTag
130DSchock's TowingSchock's Towing (Gilberts)Business
137DSuburban TowingSuburban Towing and Recovery (Elk Grove Village)Business
143DLin-Mar TowingLin-Mar Towing and Recovery (Morton Grove)Business
233DAntioch AutomtvAntioch Automotive (Antioch)Business
275Dtowing 275Pete's Towing? (East Dundee)Business
288Dtowing 288towing 288Business
1056DLincoln Towing 1Lincoln Towing (Chicago) - Ch. 1Business
1057DLincoln Towing 2Lincoln Towing (Chicago) - Ch. 2Business
2756Dtowing 2756towing 2756Business
Superior Ambulance (Metro Chicago)

Though there is still limited use of these talkgroups, the majority of communications have reportedly moved to tablets. (2024)

DEC Mode Alpha TagDescriptionTag
59948DSuperior Amb AdmAdministrationEMS Dispatch
59950DSuperior Amb NNorth DispatchEMS Dispatch
59951DSuperior Amb SSouth DispatchEMS Dispatch
59952DSuperior Amb WWest DispatchEMS Dispatch
59953DSuperior Amb RkfRockford DispatchEMS Dispatch
59954DSuperior Amb LakLake County (IL)EMS Dispatch
59955DIL Medi-Car 1Illinois Medi-Car [IMC Ch. 1]EMS Dispatch
59956DIL Medi-Car 2Illinois Medi-Car [IMC Ch. 2]EMS Dispatch
59957DSuperior Amb INIndiana DispatchEMS Dispatch
59958DIL Medi-Car INIllinois Medi-Car: IndianaEMS Dispatch
59959DSuperior Amb SE1Special Event 1EMS-Talk
59960DSuperior Amb SE2Special Event 2EMS-Talk
59961DSuperior Amb SE3Special Event 3EMS-Talk
59962DSuperior Amb SE4Special Event 4EMS-Talk
59963DSuperior Amb SE5Special Event 5EMS-Talk
59964DSuperior Amb SE6 Special Event 6EMS-Talk
59966DSupAmbHighlandHighland, Indiana DiapatchEMS Dispatch
Troy Community Consolidated School District 30C (Plainfield IL)
DEC Mode Alpha TagDescriptionTag
67DTroy 30C CroninCronin Elementary School (Shorewood)Schools
103DTroy 30C BusesTroy CCSD 30C (Plainfield): BusesSchools
144DTroy 30C CrwellTroy Craughwell Elementary School (Joliet)Schools
145DTroy 30C HtgTrlHeritage Trail Elementary School (Joliet)Schools
160DTroy 30C HoferHofer Elementary School (Shorewood)Schools
162DTroy 30C ShrwdShorewood Elementary School (Shorewood)Schools
163DTroy 30C WBOWm. B. Orenic Intermediate School (Plainfield)Schools
164DTroy 30C TMSTroy Middle School (Plainfield)Schools
167DTroy 30C B and GBuildings and Grounds (District-wide)Schools
Will County IL
DEC Mode Alpha TagDescriptionTag
93DNew Lenox StreetNew Lenox Street DepartmentPublic Works
116DWheatland TwpWheatland Township: Road MaintenancePublic Works
309DPlainfield TwpPlainfield Township: Road Maintenance / Snow PlowsPublic Works
North Central IL Area
DEC Mode Alpha TagDescriptionTag
10DCortland StreetsCourtland Street Department: Snow PlowsPublic Works
75DAccurate TowingAccurate Towing (Sycamore)Business
77DGrundyRediMixGrundy Redi-MixBusiness
118Dtowing 118towing, Sycamore area?Business
201DHBR School BusHinckley-Big Rock CUSD 429 (Hinckley): BusesBusiness
202DHuskieLine BusHuskieLine Buses (Northern Illinois University)Transportation
241DCLC De KalbChildren's Learning Center (De Kalb)Business
321DDC Trash of ILDC Trash of Illinois (Cortland)Business
Rockford IL area
DEC Mode Alpha TagDescriptionTag
126DA to Z TowingA to Z Towing (Rockford area)Business
248DApp RepairAppliance Repair in Rockford AreaBusiness
Greenville/Bond County IL
DEC Mode Alpha TagDescriptionTag
3799Dops 3799business ops (T02 462.025)Business
Mt Sterling/Brown County IL
DEC Mode Alpha TagDescriptionTag
3795Dtrash 3795trash/sanitation (T03)Business
3798Dops 3798business ops (trucking?) (T03)Business
Sangamon/Morgan County IL

Springfield site appears to be off air 7/25. 

DEC Mode Alpha TagDescriptionTag
3789Dspraying 3789field spraying 3789Business
3806DAmericaAmb SpfldAmerica Ambulance (Springfield)EMS Dispatch
Wisconsin Area
DEC Mode Alpha TagDescriptionTag
1749D EncNielson CommNielson Communications, Green BayBusiness
1785DEZ Glide DoorsEZ Glide Doors, Little ChuteBusiness
1814DGFL OmroGreen for Life, OmroBusiness
1859DGreen Bay taxi Green Bay taxiTransportation
1912DCHS Larsen SprayCHS Larsen Coop 2 SprayersBusiness
1913DCHS Larsen Coop3CHS Larsen Coop 3 ReadfieldBusiness
1914DCHS Larsen Coop4CHS Larsen Coop 4 ReadfieldBusiness
1915DCHS Larsen WeyaCHS Larsen Coop 5 WeyauwegaBusiness
3068DDousman Transp DDousman Transport Co, DousmanTransportation
3069DDousman TranspNPDousman Transport Co, North PrairieTransportation
3071DhandivanshandivansTransportation
3110DDousman TranspWfDousman Transport Co, WaterfordTransportation
3280DQuad GraphicsQuad Graphics TruckingBusiness
3291DAlways TowingAlways Towing, MilwaukeeBusiness
3300DGFL HoriconGreen for Life, HoriconBusiness
3551DVan Galder BusVan Galder Bus, JanesvilleTransportation
3560DHeadstart BusHeadstart Bus, JanesvilleTransportation
59809DAlmond Sch BusAlmond School District BusesSchools
59814DMorgan Sand/GrvlMorgan Sand and Gravel, Marathon CityBusiness
59829Dseptic serviceseptic serviceBusiness