Universal Licensing System
WPMT420
MONTANA CHEMICAL DEPENDANCY CENTER
License details
| ULS identifier | 1800569 |
|---|
| Call sign | WPMT420 |
|---|
| Radio service | IG |
|---|
| Status | A |
|---|
| Grant date | 2023-11-03 |
|---|
| Expiration | 2033-12-10 |
|---|
| Frequency range | 451.55 MHz |
|---|
| Locations | 2 |
|---|
| Representative location | Butte, SILVER BOW, MT |
|---|
| Coordinates | 46.0116667, -112.5260556 |
|---|
| Source archive | l_LMpriv.zip |
|---|
| Dataset refreshed | 2026-08-02 01:16:47 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | MO | 451.55000000 | | | 45.000000 | 45.000000 | |
| 2 | 1 | FB | 451.55000000 | | | 25.000000 | 2.200000 | |
| 3 | 1 | MO | 451.55000000 | | | 45.000000 | 45.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.55000000 | | 11K2F3E |
| 2 | 1 | 451.55000000 | | 11K2F3E |
| 3 | 1 | 451.55000000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | BUTTE, SILVER BOW, MT | 46.01166667, -112.52605556 | | | | N |
| 2 | T | 525 E Mercury St, Butte, SILVER BOW, MT | 46.01166667, -112.52605556 | 1713.000 m | B | 6.100 m structure / 6.100 m overall | N |
| 3 | T | | | | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
| 1 | 2 | T | | 2.100 m | | | | -176.700 | |
| 1 | 3 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 2 | 525 EAST MERCURY STREET, BUTTE, MT | SILVER BOW | 4064965411 |
License history
| Date | File or call sign | Action |
|---|
| 2023-11-03 | WPMT420 | LIREN |
| 2023-10-11 | WPMT420 | ESURNW |
| 2023-09-18 | WPMT420 | LETRES |
| 2023-09-11 | WPMT420 | ESURNW |
| 2020-09-01 | WPMT420 | LIMOD |
| 2015-04-16 | WPMT420 | LIMOD |
| 2013-11-06 | WPMT420 | LTSAPR |
| 2013-11-06 | WPMT420 | LIREN |
| 2013-11-06 | WPMT420 | LIRMD |
| 2013-09-16 | WPMT420 | LETRES |
| 2003-10-17 | WPMT420 | LIREN |
| 2003-09-15 | WPMT420 | LETRES |
| 2001-10-15 | WPMT420 | AUDOPR |
| 2000-11-23 | WPMT420 | LICCNV |
| 1998-12-10 | WPMT420 | LIISS |
| 1998-12-10 | WPMT420 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1800569 | 2026-08-02 01:16:47 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPMT420 | ULS 1800569 | 2026-08-02 01:16:47 |
| Status | A | ULS 1800569 | 2026-08-02 01:16:47 |
| Service | IG | ULS 1800569 | 2026-08-02 01:16:47 |
| Grant Date | 2023-11-03 | ULS 1800569 | 2026-08-02 01:16:47 |
| Expiration Date | 2033-12-10 | ULS 1800569 | 2026-08-02 01:16:47 |