Universal Licensing System
WSIY541
County Information Services LLC
License details
| ULS identifier | 5159450 |
|---|
| Call sign | WSIY541 |
|---|
| Radio service | MG |
|---|
| Status | A |
|---|
| Grant date | 2025-07-02 |
|---|
| Expiration | 2035-07-02 |
|---|
| Frequency range | 5974.85 - 19555 MHz (3 frequencies) |
|---|
| Locations | 4 |
|---|
| Representative location | NAPERVILLE, DUPAGE, IL |
|---|
| Coordinates | 41.8005556, -88.2361111 |
|---|
| Source archive | l_micro.zip |
|---|
| Dataset refreshed | 2026-08-02 02:47:13 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 5974.85000000 | | | | | |
| 1 | 2 | FXO | 19315.00000000 | | | | | |
| 1 | 3 | FXO | 19555.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 5974.85000000 | | 30M0D7W |
| 1 | 2 | 19315.00000000 | | 30M0D7W |
| 1 | 3 | 19555.00000000 | | 30M0D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 31 W 478 DIEHL RD, NAPERVILLE, DUPAGE, IL | 41.80055556, -88.23611111 | 224.100 m | LTOWER | 91.400 m structure / 91.400 m overall | |
| 2 | R | | 41.60069444, -87.97886111 | 245.000 m | | | |
| 3 | R | | 41.74027778, -88.00833333 | 234.000 m | | | |
| 4 | R | | 41.67113889, -87.98450000 | 227.100 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | ANDREW CORPORATION USX6-6W | | H | 38.8000 | 135.9000 | | |
| 1 | 2 | R | ANDREW CORPORATION USX6-6W | | | 38.8000 | | | |
| 1 | 3 | R | ANDREW CORPORATION SHPX3-18 | | | 43.5000 | | | |
| 1 | 4 | R | ANDREW CORPORATION SHPX3-18 | | | 43.5000 | | | |
| 2 | 1 | T | ANDREW CORPORATION SHPX3-18 | | H | 43.5000 | 109.4000 | | |
| 3 | 1 | T | ANDREW CORPORATION SHPX3-18 | | V | 43.5000 | 124.4000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2025-07-02 | WSIY541 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 5159450 | 2026-08-02 02:47:13 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WSIY541 | ULS 5159450 | 2026-08-02 02:47:13 |
| Status | A | ULS 5159450 | 2026-08-02 02:47:13 |
| Service | MG | ULS 5159450 | 2026-08-02 02:47:13 |
| Grant Date | 2025-07-02 | ULS 5159450 | 2026-08-02 02:47:13 |
| Expiration Date | 2035-07-02 | ULS 5159450 | 2026-08-02 02:47:13 |