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Diga-Talk

System Name: Diga-Talk
Location: Various, IL IN MI WI
County: 86 Counties
System Type: NXDN NEXEDGE 4800
System Voice: NXDN Digital
System ID: HEX: LE DEC: L14
Last Updated: October 21, 2025, 12:15 pm UTC   [Updated Service Tag assignments for 1 talkgroups for Wisconsin Area]
System Notes

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

Site 7 (Melrose Park) appears to be off the air at the present time.  The control channel data for Sites 6 (Chicago) and 10 (Carol Stream) are both showing Site 7 to be a neighbor. (10/4/23)

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)
FCC Callsigns Map Site Locations Report

Sites and Frequencies

Red (c) are control channel capable frequencies
Site Name County Freqs
129 (81) Antigo, WI Langlade, WI 464.300464.7875c     
109 (6D) Appleton, WI Outagamie, WI 451.8375452.125452.7625464.5625c464.8375461.7375 
022 (16) Arlington Heights Cook, IL 451.850463.450464.8875452.21875452.38125454.4125c 
026 (1A) Aurora DuPage, IL 454.396875454.475c     
117 (75) Baraboo, WI Sauk, WI 463.7125c464.4125464.8125    
115 (73) Bonduel, WI Shawano, WI 451.2625452.8875463.9125c464.6125   
019 (13) Bremen, IN Marshall, IN 463.81875c      
105 (69) Brighton, WI Kenosha, WI 452.01875452.075452.775461.49375c461.70625461.90625 
010 (A) Carol Stream DuPage, IL 461.050471.4625471.928125472.446875c472.453125472.578125472.825
   454.403125      
205 (CD) Champaign Champaign, IL 454.51875454.400c     
006 (6) Chicago Cook, IL 460.900c471.300471.850472.259375472.425c472.550472.7125c
   472.000      
103 (67) Chilton, WI Calumet, WI 452.184375452.190625451.464625451.559375c   
015 (F) Compton Lee, IL 452.6125c462.150     
107 (6B) De Pere, WI Brown, WI 451.550c452.0625453.0125463.4875464.7875460.7125 
017 (11) DeKalb DeKalb, IL 451.975462.0875463.3875c463.8625463.950  
228 (E4) Effingham Effingham, IL 451.175452.3875c452.350452.300   
113 (71) Fond du Lac, WI Fond Du Lac, WI 454.440625c454.446875     
110 (6E) Fontana, WI Walworth, WI 463.684375c463.690625463.934375463.940625   
111 (6F) Footville, WI Rock, WI 452.150c452.446875c464.759375464.9375   
005 (5) Gary, IN Lake, IN 464.100471.465625c471.950472.6625472.821875  
202 (CA) Greenville Bond, IL 462.025c454.400     
219 (DB) Gridley McLean, IL 454.4125c      
127 (7F) Hancock, WI Waushara, WI 463.3875463.8875c     
126 (7E) Irma, WI Lincoln, WI 452.125464.7375c     
227 (E3) Jacksonville Morgan, IL 462.375c461.7125462.250463.200   
013 (D) Johnsburg McHenry, IL 461.665625462.03125472.500c472.76875454.465625  
004 (4) Kankakee Kankakee, IL 452.250452.325452.746875c452.800461.5125462.0125463.9375
023 (17) Kirkland DeKalb, IL 461.9625463.4875461.4125c    
002 (2) Lake Zurich Lake, IL 462.150472.2125472.296875472.696875472.703125472.975c454.396875c
003 (3) Lockport Will, IL 461.250463.525463.700471.321875471.809375471.815625472.325
   472.353125472.650c     
112 (70) Madison, WI Dane, WI 464.859375464.740625464.865625c464.734375   
030 (1E) Marseilles La Salle, IL 461.4875c      
125 (7D) Marshfield, WI Wood, WI 451.565625c463.6125463.850    
204 (CC) Mattoon Coles, IL 452.2625452.650c     
007 (7) Melrose Park Cook, IL 452.2125478.0125478.184375478.190625478.334375478.340625478.484375
   478.640625452.23125c452.36875    
120 (78) Menominee, MI Menominee, MI 462.0375463.8875c464.7125c    
024 (18) Midway Airport (Chicago) Cook, IL 454.450c451.84375451.85625452.88125   
225 (E1) Minier Tazewell, IL 451.9125454.175c     
011 (B) Minooka Kendall, IL 471.975c472.209375472.215625472.346875472.709375454.415625 
009 (9) Mokena Will, IL 461.450463.950463.975471.900471.921875c472.521875472.775
203 (CB) Mt. Sterling Brown, IL 461.150c      
001 (1) Naperville DuPage, IL 464.850472.396875472.475472.571875472.946875c471.700 
106 (6A) New Berlin, WI Waukesha, WI 452.3875452.4375c453.0125461.3875451.8875  
118 (76) New London, WI Outagamie, WI 463.6625463.9625464.7375c    
108 (6C) Oshkosh, WI Winnebago, WI 451.6375451.850c452.3625460.9125   
018 (12) Plano Kendall, IL 452.6875462.0375c463.450451.7625   
012 (C) Plato Center Kane, IL 461.325471.450c472.0375472.403125472.725472.953125472.175
016 (10) Posen Cook, IL 452.4625452.875471.350472.700472.925c452.26875454.390625
   454.40625      
122 (7A) Ripon, WI Fond Du Lac, WI 463.9375c464.4625464.6625c    
014 (E) Rockford Winnebago, IL 452.2125461.3875463.9125c463.5625461.6125  
124 (7C) Rudolph, WI Wood, WI 451.9875452.6875c461.6875    
201 (C9) Salem Marion, IL 453.0125c      
128 (80) Sayner, WI Vilas, WI 452.4625c463.8125453.015625    
021 (15) Shorewood Will, IL 462.03125463.94375463.76875454.434375c   
226 (E2) Springfield Sangamon, IL 461.100c461.550461.675461.9625   
123 (7B) Stevens Point, WI Portage, WI 451.6625c462.1125463.300    
116 (74) Sturgeon Bay, WI Door, WI 461.925c463.375463.9375464.4625   
020 (14) Valparaiso, IN Porter, IN 471.425471.450471.875c472.250   
121 (79) Wausau, WI Marathon, WI 452.0125c452.3875463.225    
119 (77) West Bend, WI Washington, WI 462.0875c463.6125463.9125464.4125   
008 (8) Wilmington Will, IL 461.43125461.659375463.5875c464.8375   
Talkgroup Category Report

Talkgroups

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 Refuse / Recycling

Advanced Disposal is now Green For Life (GFL) or Waste Management.

DEC Mode Alpha TagDescriptionTag
86DPrairieland DispPrairieland Disposal and Recycling (Lake Barrington)Deprecated
179DAdv Disp Btv ResAdvanced Disposal - Batavia: ResidentialDeprecated
200DAdv Disp NB CommAdvanced Disposal - Northbrook: Commercial Deprecated
231DAdv Disp NB RolAdvanced Disposal - Northbrook: Roll-offDeprecated
235DAdv Disp NB ResAdvanced Disposal - Northbrook: ResidentialDeprecated
250DAdv Disp Btv RolAdvanced Disposal - Batavia: Roll-offDeprecated
257DAdv Disp BtvShopAdvanced Disposal - Batavia: Mechanics/ShopDeprecated
277DAdv Disp MP ShopAdvanced Disposal - Melrose Park: Mechanics/ShopDeprecated
283DAdv Disp MP 283Advanced Disposal - Melrose Park: Roll-off?Deprecated
285DAdv Disp MP CommAdvanced Disposal - Melrose Park: CommercialDeprecated
287DAdv Disp MP 287Advanced Disposal - Melrose Park: CommercialDeprecated
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
Elite Ambulance (Metro Chicago)

Reported to be utilizing Zello Push-to-Talk application. (7/1/2024)
Has reportedly left the Diga-Talk system and is now using 4G LTE. (2/19/21)

DEC Mode Alpha TagDescriptionTag
2006DElite Medicar 1Medicar 1Deprecated
2007DElite Medicar 2Medicar 2Deprecated
2008DErickson AmbErickson Ambulance (Racine)Deprecated
2009DElite West W/NWWest Dispatch (West and Northwest Suburbs)Deprecated
2010DElite North N/LkNorth Dispatch (North Side and Lake County)Deprecated
2011DElite East S/FarEast Dispatch (South and Far South Suburbs)Deprecated
2012DElite IN AmbulanIndiana AmbulanceDeprecated
2013DElite IN MedicarIndiana MedicarDeprecated
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
318DAdvDispRFD318Advanced Disposal - Rockford (Davis Junction)Deprecated
320DAdvDispRFD320Advanced Disposal - Rockford (Davis Junction)Deprecated
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
1749DENielson 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
3302Dbus 3302bus 3302Deprecated
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