| Midway Airport - Chicago Illinois |
| Trunked Radio System Information |
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| Callsign - WPKY459 |
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System ID -
6D1C |
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| Connect Tone - 76.60 |
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System Type -
P25 Digital 3600 |
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| Frequencies |
| 476.3125 476.5625 476.7875*
477.0875* 477.4125* 477.6375* |
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| Tower Locations |
| 414710 / 0874508
- 5700 South Cicero Avenue |
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| Base Frequency - 474.0000 Offset - 12.5 KHz Uniden Base Channel 380 |
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| Hex |
Decimal |
Use |
| 259 |
9616 |
Trades |
| 25B |
9648 |
Custodial |
| 25D |
9680 |
Security |
| 25F |
9712 |
Chicago Police |
| 261 |
9744 |
Chicago Fire Dispatch |
| 263 |
9776 |
MTD [Motor Truck Drivers] - City Operations |
| 265 |
9808 |
Snow 1 |
| 267 |
9840 |
Landside |
| 269 |
9872 |
Operations |
| 26B |
9904 |
Administrative Staff |
| 26D |
9936 |
Fire - Incident 1 |
| 26F |
9968 |
Comm 1 - Construction |
| 271 |
10000 |
Comm 2 - Snow Plows |
| 273 |
10032 |
Comm 3 |
| 275 |
10064 |
Radio Service |
| 277 |
10096 |
FSP [Facility Service Professionals] - Baggage |
| 279 |
10128 |
FSP [Facility Service Professionals] - Custodial |
| 27B |
10160 |
FSP [Facility Service Professionals] - Engineering |
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