Universal Licensing System
WPJU430
BOULDER, CITY OF
License details
| ULS identifier | 1872113 |
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| Call sign | WPJU430 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2021-12-23 |
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| Expiration | 2031-10-29 |
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| Frequency range | 451.9125 - 456.9125 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | BOULDER, BOULDER, CO |
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| Coordinates | 40.0652500, -105.1555278 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:13:44 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | MO | 451.91250000 | | | 20.000000 | 10.000000 | |
| 2 | 1 | FXO | 451.91250000 | | | 10.000000 | 50.000000 | |
| 3 | 1 | FXOT | 451.91250000 | | | 10.000000 | 50.000000 | |
| 1 | 1 | MO | 456.91250000 | | | 20.000000 | 10.000000 | |
| 2 | 1 | FXO | 456.91250000 | | | 10.000000 | 50.000000 | |
| 3 | 1 | FXOT | 456.91250000 | | | 10.000000 | 50.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.91250000 | | 11K2F3E |
| 1 | 1 | 451.91250000 | | 11K2F2D |
| 2 | 1 | 451.91250000 | | 11K2F3E |
| 2 | 1 | 451.91250000 | | 11K2F2D |
| 3 | 1 | 451.91250000 | | 11K2F2D |
| 3 | 1 | 451.91250000 | | 11K2F3E |
| 1 | 1 | 456.91250000 | | 11K2F3E |
| 1 | 1 | 456.91250000 | | 11K2F2D |
| 2 | 1 | 456.91250000 | | 11K2F2D |
| 2 | 1 | 456.91250000 | | 11K2F3E |
| 3 | 1 | 456.91250000 | | 11K2F3E |
| 3 | 1 | 456.91250000 | | 11K2F2D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | BOULDER, BOULDER, CO | 40.06497222, -105.15886111 | | | | N |
| 2 | T | GUN BARREL, BOULDER, BOULDER, CO | 40.06525000, -105.15552778 | 1645.900 m | BANT | 14.000 m structure / 15.200 m overall | N |
| 3 | T | BOULDER, BOULDER, CO | 40.06525000, -105.15552778 | | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
| 1 | 2 | | | 15.200 m | | | | 46.900 | |
| 1 | 3 | | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 1739 BROADWAY, BOULDER, CO | BOULDER | 3034413242 |
License history
| Date | File or call sign | Action |
|---|
| 2024-01-18 | WPJU430 | LIAUA |
| 2021-12-23 | WPJU430 | LIREN |
| 2011-10-21 | WPJU430 | AUTHPR |
| 2011-10-20 | WPJU430 | COR |
| 2011-10-20 | WPJU430 | INTDUP |
| 2011-10-20 | WPJU430 | LIREN |
| 2011-08-08 | WPJU430 | LETRES |
| 2008-07-23 | WPJU430 | LETTRS |
| 2008-07-23 | WPJU430 | PNLISR |
| 2008-03-18 | WPJU430 | LETCNS |
| 2007-06-14 | WPJU430 | LIMOD |
| 2006-11-17 | WPJU430 | LIMOD |
| 2001-09-25 | WPJU430 | AUDOPR |
| 2001-09-05 | WPJU430 | LIREN |
| 2001-08-06 | WPJU430 | LETRES |
| 2000-11-24 | WPJU430 | LICCNV |
| 1996-10-29 | WPJU430 | LIISS |
| 1996-10-29 | WPJU430 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1872113 | 2026-08-02 01:13:44 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPJU430 | ULS 1872113 | 2026-08-02 01:13:44 |
| Status | A | ULS 1872113 | 2026-08-02 01:13:44 |
| Service | IG | ULS 1872113 | 2026-08-02 01:13:44 |
| Grant Date | 2021-12-23 | ULS 1872113 | 2026-08-02 01:13:44 |
| Expiration Date | 2031-10-29 | ULS 1872113 | 2026-08-02 01:13:44 |