Universal Licensing System
KSD739
TRI STATE FIRE PROTECTION DISTRICT
License details
| ULS identifier | 1288473 |
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| Call sign | KSD739 |
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| Radio service | PW |
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| Status | A |
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| Grant date | 2024-10-18 |
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| Expiration | 2034-12-13 |
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| Frequency range | 154.25 - 154.3325 MHz (3 frequencies) |
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| Locations | 3 |
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| Representative location | WILLOWBROOK, DUPAGE, IL |
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| Coordinates | 41.7386389, -87.9470000 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:10:45 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB | 154.25000000 | | | 60.000000 | 102.000000 | |
| 2 | 1 | FB | 154.25000000 | | | 60.000000 | 126.000000 | |
| 3 | 1 | MO | 154.25000000 | | | 75.000000 | 75.000000 | |
| 1 | 1 | FB | 154.26500000 | | | 60.000000 | 102.000000 | |
| 2 | 1 | FB | 154.26500000 | | | 60.000000 | 126.000000 | |
| 3 | 1 | MO | 154.26500000 | | | 75.000000 | 75.000000 | |
| 1 | 1 | FB | 154.33250000 | | | 30.000000 | 51.000000 | |
| 2 | 1 | FB | 154.33250000 | | | 30.000000 | 63.000000 | |
| 3 | 1 | MO | 154.33250000 | | | 25.000000 | 25.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 154.25000000 | | 11K3F3E |
| 2 | 1 | 154.25000000 | | 11K3F3E |
| 3 | 1 | 154.25000000 | | 11K3F3E |
| 1 | 1 | 154.26500000 | | 11K3F3E |
| 2 | 1 | 154.26500000 | | 11K3F3E |
| 3 | 1 | 154.26500000 | | 11K3F3E |
| 1 | 1 | 154.33250000 | | 11K3F3E |
| 2 | 1 | 154.33250000 | | 11K3F3E |
| 3 | 1 | 154.33250000 | | 11K3F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 1/4 MI SW INT I55 & IL 83, WILLOWBROOK, DUPAGE, IL | 41.73863889, -87.94700000 | 218.000 m | B | 6.000 m structure / 12.000 m overall | N |
| 2 | T | 419 PLAINFIELD RD, DARIEN, DUPAGE, IL | 41.75558333, -87.95644444 | 224.000 m | B | 6.000 m structure / 11.000 m overall | N |
| 3 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 12.000 m | | | | 24.000 | |
| 1 | 2 | T | | 11.000 m | | | | 26.000 | |
| 1 | 3 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 419 PLAINFIELD RD, DARIEN, IL | DUPAGE | 6303236445 |
License history
| Date | File or call sign | Action |
|---|
| 2024-10-18 | KSD739 | LIREN |
| 2024-10-14 | KSD739 | ESURNW |
| 2024-09-16 | KSD739 | LETRES |
| 2024-09-14 | KSD739 | ESURNW |
| 2021-01-12 | KSD739 | LIAUA |
| 2014-11-25 | KSD739 | LIREN |
| 2014-11-24 | KSD739 | LIMOD |
| 2014-09-22 | KSD739 | LETRES |
| 2004-10-07 | KSD739 | LTSAPR |
| 2004-09-20 | KSD739 | LETRES |
| 2001-12-20 | KSD739 | AUDOPR |
| 2000-10-20 | KSD739 | LICCNV |
| 1999-12-13 | KSD739 | AUTHPR |
| 1999-12-13 | KSD739 | LIRMD |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1288473 | 2026-08-02 01:10:45 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KSD739 | ULS 1288473 | 2026-08-02 01:10:45 |
| Status | A | ULS 1288473 | 2026-08-02 01:10:45 |
| Service | PW | ULS 1288473 | 2026-08-02 01:10:45 |
| Grant Date | 2024-10-18 | ULS 1288473 | 2026-08-02 01:10:45 |
| Expiration Date | 2034-12-13 | ULS 1288473 | 2026-08-02 01:10:45 |