Universal Licensing System
WSIR520
BOULDER VALLEY SCHOOL DISTRICT RE2
License details
| ULS identifier | 5149516 |
|---|
| Call sign | WSIR520 |
|---|
| Radio service | IG |
|---|
| Status | A |
|---|
| Grant date | 2025-06-11 |
|---|
| Expiration | 2035-06-11 |
|---|
| Frequency range | 451.2 - 456.2 MHz (2 frequencies) |
|---|
| Locations | 2 |
|---|
| Representative location | BOULDER, BOULDER, CO |
|---|
| Coordinates | 40.0327778, -105.0825000 |
|---|
| Source archive | l_LMpriv.zip |
|---|
| Dataset refreshed | 2026-08-02 01:13:07 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 451.20000000 | | | 40.000000 | 40.000000 | |
| 2 | 1 | MO | 451.20000000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | MO | 456.20000000 | | | 4.000000 | 4.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.20000000 | | 7K60FXE |
| 2 | 1 | 451.20000000 | | 7K60FXE |
| 2 | 1 | 456.20000000 | | 7K60FXE |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 6500 EAST ARAPAHOE ROAD, BOULDER, BOULDER, CO | 40.03277778, -105.08250000 | 1573.000 m | BANT | 11.000 m structure / 12.000 m overall | |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 12.000 m | | | | -0.200 | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 6500 EASE ARAPAHOE ROAD, BOULDER, CO | BOULDER | 7205615756 |
License history
| Date | File or call sign | Action |
|---|
| 2026-03-10 | WSIR520 | LETCNS |
| 2025-06-11 | WSIR520 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 5149516 | 2026-08-02 01:13:07 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WSIR520 | ULS 5149516 | 2026-08-02 01:13:07 |
| Status | A | ULS 5149516 | 2026-08-02 01:13:07 |
| Service | IG | ULS 5149516 | 2026-08-02 01:13:07 |
| Grant Date | 2025-06-11 | ULS 5149516 | 2026-08-02 01:13:07 |
| Expiration Date | 2035-06-11 | ULS 5149516 | 2026-08-02 01:13:07 |