Universal Licensing System
WRBL583
International School of Tucson
License details
| ULS identifier | 4036930 |
|---|
| Call sign | WRBL583 |
|---|
| Radio service | IG |
|---|
| Status | A |
|---|
| Grant date | 2018-04-20 |
|---|
| Expiration | 2028-04-20 |
|---|
| Frequency range | 469.55 MHz |
|---|
| Locations | 2 |
|---|
| Representative location | Tucson, PIMA, AZ |
|---|
| Coordinates | 32.2473611, -110.9456667 |
|---|
| Source archive | l_LMpriv.zip |
|---|
| Dataset refreshed | 2026-08-02 01:21:51 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 2 | 1 | MOI | 451.80000000 | | | 5.000000 | 5.000000 | |
| 2 | 1 | MOI | 451.81250000 | | | 5.000000 | 5.000000 | |
| 1 | 1 | MO | 456.53750000 | | | 5.000000 | 5.000000 | |
| 2 | 1 | MOI | 456.80000000 | | | 5.000000 | 5.000000 | |
| 2 | 1 | MOI | 456.81250000 | | | 5.000000 | 5.000000 | |
| 1 | 1 | MO | 457.11250000 | | | 5.000000 | 5.000000 | |
| 2 | 1 | MOI | 464.50000000 | | | 5.000000 | 5.000000 | |
| 2 | 1 | MOI | 464.55000000 | | | 5.000000 | 5.000000 | |
| 2 | 1 | MOI | 469.50000000 | | | 5.000000 | 5.000000 | |
| 2 | 1 | MOI | 469.55000000 | | | 5.000000 | 5.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 2 | 1 | 451.80000000 | | 11K2F3E |
| 2 | 1 | 451.81250000 | | 11K2F3E |
| 1 | 1 | 456.53750000 | | 11K2F3E |
| 2 | 1 | 456.80000000 | | 11K2F3E |
| 2 | 1 | 456.81250000 | | 11K2F3E |
| 1 | 1 | 457.11250000 | | 11K2F3E |
| 2 | 1 | 464.50000000 | | 11K2F3E |
| 2 | 1 | 464.55000000 | | 11K2F3E |
| 2 | 1 | 469.50000000 | | 11K2F3E |
| 2 | 1 | 469.55000000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | Tucson, PIMA, AZ | 32.24736111, -110.94566667 | | | | |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 1701 E SENECA ST., TUCSON, AZ | PIMA | 5204060552 |
License history
| Date | File or call sign | Action |
|---|
| 2018-04-20 | WRBL583 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4036930 | 2026-08-02 01:21:51 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRBL583 | ULS 4036930 | 2026-08-02 01:21:51 |
| Status | A | ULS 4036930 | 2026-08-02 01:21:51 |
| Service | IG | ULS 4036930 | 2026-08-02 01:21:51 |
| Grant Date | 2018-04-20 | ULS 4036930 | 2026-08-02 01:21:51 |
| Expiration Date | 2028-04-20 | ULS 4036930 | 2026-08-02 01:21:51 |