Universal Licensing System
WRMZ878
Rock Island-Milan School District #41
License details
| ULS identifier | 4465575 |
|---|---|
| Call sign | WRMZ878 |
| Radio service | IG |
| Status | A |
| Grant date | 2021-07-01 |
| Expiration | 2031-07-01 |
| Frequency range | 452.1125 - 465 MHz (5 frequencies) |
| Locations | 8 |
| Representative location | Rock Island, ROCK ISLAND, IL |
| Coordinates | 41.4244444, -90.5861111 |
| Source archive | l_LMpriv.zip |
| Dataset refreshed | 2026-08-02 01:22:15 |
Licensee
| Name | Rock Island-Milan School District #41 |
|---|---|
| Applicant type | G |
| FRN | 0030532022 |
| Location | Rock Island, IL |
| Address | 2101 6th Ave, Rock Island, IL, 61201 |
| Phone | 3097935900 |
| [email protected] |
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|---|---|---|---|---|---|---|---|
| 4 | 1 | MO | 452.11250000 | 2.000000 | 2.000000 | |||
| 8 | 1 | MO | 452.11250000 | 2.000000 | 2.000000 | |||
| 2 | 1 | MO | 457.18750000 | 2.000000 | 2.000000 | |||
| 6 | 1 | MO | 457.18750000 | 2.000000 | 2.000000 | |||
| 3 | 1 | FB | 462.87500000 | 35.000000 | 35.000000 | |||
| 5 | 1 | FB | 462.92500000 | 35.000000 | 35.000000 | |||
| 1 | 1 | FB | 465.00000000 | 35.000000 | 35.000000 | |||
| 7 | 1 | FB | 465.00000000 | 35.000000 | 35.000000 |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|---|---|---|---|
| 4 | 1 | 452.11250000 | 11K2F1D | |
| 8 | 1 | 452.11250000 | 11K2F1D | |
| 2 | 1 | 457.18750000 | 11K2F1D | |
| 6 | 1 | 457.18750000 | 11K2F1D | |
| 3 | 1 | 462.87500000 | 11K2F1D | |
| 5 | 1 | 462.92500000 | 11K2F1D | |
| 1 | 1 | 465.00000000 | 11K2F1D | |
| 7 | 1 | 465.00000000 | 11K2F1D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|---|---|---|---|---|---|---|
| 1 | T | 9607 14th St W, Rock Island, ROCK ISLAND, IL | 41.42444444, -90.58611111 | 214.000 m | B | 9.000 m structure / 9.000 m overall | |
| 2 | T | 9607 14th St W, Rock Island, ROCK ISLAND, IL | 41.42444444, -90.58611111 | ||||
| 3 | T | 2900 31st Ave, Rock Island, ROCK ISLAND, IL | 41.47833333, -90.55972222 | 206.000 m | B | 9.000 m structure / 9.000 m overall | |
| 4 | T | 2900 31st Ave, Rock Island, ROCK ISLAND, IL | 41.47833333, -90.55972222 | ||||
| 5 | T | 2101 16th Ave, Rock Island, ROCK ISLAND, IL | 41.49750000, -90.57055556 | 217.000 m | B | 9.000 m structure / 9.000 m overall | |
| 6 | T | 2101 16th Avenue, Rock Island, ROCK ISLAND, IL | 41.49750000, -90.57055556 | ||||
| 7 | T | 4198 7th Ave, Rock Island, ROCK ISLAND, IL | 41.50444444, -90.54333333 | 177.000 m | B | 9.000 m structure / 9.000 m overall | |
| 8 | T | 4198 7th Ave, Rock Island, ROCK ISLAND, IL | 41.50444444, -90.54333333 |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | T | 2.000 m | 7.000 | |||||
| 1 | 2 | T | |||||||
| 1 | 3 | T | 2.000 m | 8.000 | |||||
| 1 | 4 | T | |||||||
| 1 | 5 | T | 2.000 m | 17.000 | |||||
| 1 | 6 | T | |||||||
| 1 | 7 | T | 2.000 m | -22.000 | |||||
| 1 | 8 | T |
Control points
| Number | Address | County | Phone |
|---|---|---|---|
| 1 | Ridgewood Elementary, 9607 14th St W, Rock Island, IL | ROCK ISLAND | 3097935900 |
| 3 | Eugene Field Elementary, 2900 31st Ave, Rock Island, IL | ROCK ISLAND | 3097935900 |
| 5 | Center for Math & Science, 2101 16th Ave, Rock Island, IL | ROCK ISLAND | 3097935900 |
| 7 | Longfellow Elementary, 4198 7th Ave, Rock Island, IL | ROCK ISLAND | 3097935900 |
License history
| Date | File or call sign | Action |
|---|---|---|
| 2021-07-01 | WRMZ878 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|---|---|---|
| ULS | 4465575 | 2026-08-02 01:22:15 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|---|---|---|
| Call Sign | WRMZ878 | ULS 4465575 | 2026-08-02 01:22:15 |
| Status | A | ULS 4465575 | 2026-08-02 01:22:15 |
| Service | IG | ULS 4465575 | 2026-08-02 01:22:15 |
| Grant Date | 2021-07-01 | ULS 4465575 | 2026-08-02 01:22:15 |
| Expiration Date | 2031-07-01 | ULS 4465575 | 2026-08-02 01:22:15 |