Universal Licensing System
WNTD904
Boulder County
License details
| ULS identifier | 1020187 |
|---|
| Call sign | WNTD904 |
|---|
| Radio service | MW |
|---|
| Status | A |
|---|
| Grant date | 2019-10-22 |
|---|
| Expiration | 2029-11-29 |
|---|
| Frequency range | 6004.5 - 6640.625 MHz (3 frequencies) |
|---|
| Locations | 1 |
|---|
| Coordinates | 40.0327778, -105.2291667 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:42:44 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 3 | FXO | 6004.50000000 | | | | | |
| 1 | 5 | FXO | 6034.15000000 | | | | | |
| 1 | 6 | FXO | 6034.15000000 | | | | | |
| 1 | 7 | FXO | 6640.62500000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 3 | 6004.50000000 | | 10M0D7W |
| 1 | 5 | 6034.15000000 | | 10M0D7W |
| 1 | 6 | 6034.15000000 | | 10M0D7W |
| 1 | 7 | 6640.62500000 | | 3M20D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | S BOULDER RD AT WASHINGTON ST, LOUISVILLE, BOULDER, CO | 39.99222222, -105.15472222 | 1704.200 m | LTOWER | 41.100 m structure / 41.100 m overall | N |
| 2 | R | | 40.01772222, -105.25055556 | 1600.200 m | | | |
| 3 | R | | 40.16358333, -105.10052778 | 1517.600 m | | | |
| 4 | R | CO | 40.23997222, -105.05580556 | 1585.000 m | | 0.000 m structure / 0.000 m overall | N |
| 6 | R | | 40.03277778, -105.22916667 | 1606.900 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 4 | R | RFS PAD6-59A | | | 38.7000 | 0.0000 | | |
| 1 | 6 | R | RFS PAD6-59A | | | 38.7000 | 0.0000 | | |
| 2 | 2 | R | RFS PAD6-59A | | | 38.7000 | 0.0000 | | |
| 2 | 3 | R | RFS PA6-65B | | | 39.9000 | 0.0000 | | |
| 3 | 1 | T | RFS PAD6-59A | | H | 38.7000 | 17.0000 | | |
| 5 | 1 | T | RFS PAD6-59A | | H | 38.7000 | 289.1000 | | |
| 6 | 1 | T | RFS PAD6-59A | | H | 38.7000 | 305.3000 | | |
| 7 | 1 | T | RFS PA6-65B | | H | 39.9000 | 13.6000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2019-10-22 | WNTD904 | LIREN |
| 2019-09-30 | WNTD904 | ESURNW |
| 2019-09-02 | WNTD904 | LETRES |
| 2016-10-01 | WNTD904 | AUTHPR |
| 2016-06-01 | WNTD904 | LETCNS |
| 2015-05-15 | WNTD904 | AUTHPR |
| 2015-04-28 | WNTD904 | LETCNS |
| 2014-03-06 | WNTD904 | LIMOD |
| 2014-02-04 | WNTD904 | ESUAPR |
| 2014-01-30 | WNTD904 | LIMOD |
| 2009-09-22 | WNTD904 | LIREN |
| 2009-09-22 | WNTD904 | ESUAPR |
| 2009-09-07 | WNTD904 | LETRES |
| 2009-08-31 | WNTD904 | ESURNW |
| 2008-11-13 | WNTD904 | LIAUA |
| 2008-11-12 | WNTD904 | ESCAPR |
| 2004-09-20 | WNTD904 | LIMOD |
| 2004-09-09 | WNTD904 | LTSAPR |
| 2004-09-08 | WNTD904 | ESCAPR |
| 2004-09-08 | WNTD904 | EFCAPR |
| 2004-03-01 | WNTD904 | LETCNS |
| 2002-12-03 | WNTD904 | LIMOD |
| 1999-10-19 | WNTD904 | LIREN |
| 1999-09-04 | WNTD904 | LETREG |
| 1999-08-14 | WNTD904 | LICCNV |
| 1994-11-28 | WNTD904 | COR |
| 1994-11-23 | WNTD904 | LIMOD |
| 1990-04-13 | WNTD904 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1020187 | 2026-08-02 02:42:44 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WNTD904 | ULS 1020187 | 2026-08-02 02:42:44 |
| Status | A | ULS 1020187 | 2026-08-02 02:42:44 |
| Service | MW | ULS 1020187 | 2026-08-02 02:42:44 |
| Grant Date | 2019-10-22 | ULS 1020187 | 2026-08-02 02:42:44 |
| Expiration Date | 2029-11-29 | ULS 1020187 | 2026-08-02 02:42:44 |