Universal Licensing System
WPKK406
MOUNTAIN STATES INVESTIGATION & SECURITY CO
License details
| ULS identifier | 1747839 |
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| Call sign | WPKK406 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 2002-04-07 |
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| Expiration | 2012-04-07 |
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| Cancellation | 2012-06-09 |
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| Frequency range | 461.4 - 466.4 MHz (2 frequencies) |
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| Locations | 3 |
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| Representative location | RAPID CITY, PENNINGTON, SD |
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| Coordinates | 44.0502778, -103.2426944 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:14:55 |
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Licensee
| Name | MOUNTAIN STATES INVESTIGATION & SECURITY CO |
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| Applicant type | C |
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| FRN | 0006851463 |
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| Location | RAPID CITY, SD |
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| Address | 401 3RD ST, RAPID CITY, SD, 57701 |
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| Phone | 6053437448 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
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| 1 | 1 | FB4 | 461.40000000 | | | 50.000000 | 171.000000 | |
| 3 | 1 | MO | 461.40000000 | | | 50.000000 | 50.000000 | |
| 2 | 1 | FX1 | 466.40000000 | | | 25.000000 | 180.000000 | |
| 3 | 1 | MO | 466.40000000 | | | 50.000000 | 50.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 461.40000000 | | 20K0F3E |
| 3 | 1 | 461.40000000 | | 20K0F3E |
| 2 | 1 | 466.40000000 | | 20K0F3E |
| 3 | 1 | 466.40000000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | 3631 SKYLINE DR, RAPID CITY, PENNINGTON, SD | 44.05027778, -103.24269444 | 1180.000 m | TOWER | 27.000 m structure / 31.000 m overall | N |
| 2 | T | SD | | | | | |
| 3 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 17.000 m | | | | 0.000 | |
| 1 | 2 | T | | 3.000 m | | | | | |
| 1 | 3 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 401 3RD ST, RAPID CITY, SD | | 6053437448 |
License history
| Date | File or call sign | Action |
|---|
| 2012-06-09 | WPKK406 | LIEXP |
| 2012-01-16 | WPKK406 | LETRES |
| 2002-04-07 | WPKK406 | LIREN |
| 2001-12-26 | WPKK406 | LETRES |
| 2001-10-15 | WPKK406 | AUDOPR |
| 2000-11-23 | WPKK406 | LICCNV |
| 1997-03-20 | WPKK406 | AUTHPR |
| 1997-03-20 | WPKK406 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1747839 | 2026-08-02 01:14:55 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WPKK406 | ULS 1747839 | 2026-08-02 01:14:55 |
| Status | E | ULS 1747839 | 2026-08-02 01:14:55 |
| Service | IG | ULS 1747839 | 2026-08-02 01:14:55 |
| Grant Date | 2002-04-07 | ULS 1747839 | 2026-08-02 01:14:55 |
| Expiration Date | 2012-04-07 | ULS 1747839 | 2026-08-02 01:14:55 |
| Cancellation Date | 2012-06-09 | ULS 1747839 | 2026-08-02 01:14:55 |