Universal Licensing System
WPKN405
HKM Engineering INC
License details
| ULS identifier | 1748985 |
|---|
| Call sign | WPKN405 |
|---|
| Radio service | IG |
|---|
| Status | E |
|---|
| Grant date | 2002-04-16 |
|---|
| Expiration | 2012-05-09 |
|---|
| Cancellation | 2012-07-14 |
|---|
| Frequency range | 154.54 - 469.75 MHz (15 frequencies) |
|---|
| Locations | 3 |
|---|
| Representative location | BILLINGS, YELLOWSTONE, MT |
|---|
| Coordinates | 45.7702222, -108.5856944 |
|---|
| Source archive | l_LMpriv.zip |
|---|
| Dataset refreshed | 2026-08-02 01:12:19 |
|---|
Licensee
| Name | HKM Engineering INC |
|---|
| Applicant type | C |
|---|
| FRN | 0001643246 |
|---|
| Location | MILES CITY, MT |
|---|
| Address | 215 S LAKE, MILES CITY, MT, 593011518 |
|---|
| Phone | 4062326666 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 3 | 1 | FB | 154.54000000 | | | 50.000000 | 316.000000 | |
| 4 | 1 | MO | 154.54000000 | | | 50.000000 | 50.000000 | |
| 5 | 1 | FB2I | 464.50000000 | | | 35.000000 | 35.000000 | |
| 5 | 1 | MOI | 464.50000000 | | | 35.000000 | 35.000000 | |
| 5 | 1 | FBI | 464.50000000 | | | 35.000000 | 35.000000 | |
| 5 | 1 | MOI | 464.55000000 | | | 35.000000 | 35.000000 | |
| 5 | 1 | FB2I | 464.55000000 | | | 35.000000 | 35.000000 | |
| 5 | 1 | FBI | 464.55000000 | | | 35.000000 | 35.000000 | |
| 1 | 1 | FXOT | 464.60000000 | | | 110.000000 | | |
| 1 | 1 | FB2T | 464.60000000 | | | 110.000000 | | |
| 2 | 1 | MO | 464.60000000 | | | 110.000000 | | |
| 1 | 1 | FB2T | 464.62500000 | | | 110.000000 | | |
| 1 | 1 | FXOT | 464.62500000 | | | 110.000000 | | |
| 2 | 1 | MO | 464.62500000 | | | 110.000000 | | |
| 1 | 1 | FB2T | 464.65000000 | | | 110.000000 | | |
| 1 | 1 | FXOT | 464.65000000 | | | 110.000000 | | |
| 2 | 1 | MO | 464.65000000 | | | 110.000000 | | |
| 1 | 1 | FXOT | 464.70000000 | | | 110.000000 | | |
| 1 | 1 | FB2T | 464.70000000 | | | 110.000000 | | |
| 2 | 1 | MO | 464.70000000 | | | 110.000000 | | |
| 1 | 1 | FB2T | 464.72500000 | | | 110.000000 | | |
| 1 | 1 | FXOT | 464.72500000 | | | 110.000000 | | |
| 2 | 1 | MO | 464.72500000 | | | 110.000000 | | |
| 1 | 1 | FB2T | 464.75000000 | | | 110.000000 | | |
| 1 | 1 | FXOT | 464.75000000 | | | 110.000000 | | |
| 2 | 1 | MO | 464.75000000 | | | 110.000000 | | |
| 5 | 1 | MOI | 469.50000000 | | | 35.000000 | 35.000000 | |
| 5 | 1 | MOI | 469.55000000 | | | 35.000000 | 35.000000 | |
| 2 | 1 | MO | 469.60000000 | | | 110.000000 | | |
| 2 | 1 | MO | 469.62500000 | | | 110.000000 | | |
| 2 | 1 | MO | 469.65000000 | | | 110.000000 | | |
| 2 | 1 | MO | 469.70000000 | | | 110.000000 | | |
| 2 | 1 | MO | 469.72500000 | | | 110.000000 | | |
| 2 | 1 | MO | 469.75000000 | | | 110.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 3 | 1 | 154.54000000 | | 20K0F3E |
| 4 | 1 | 154.54000000 | | 20K0F3E |
| 5 | 1 | 464.50000000 | | 20K0F3E |
| 5 | 1 | 464.50000000 | | 19K6F1D |
| 5 | 1 | 464.50000000 | | 20K0F3E |
| 5 | 1 | 464.55000000 | | 20K0F3E |
| 5 | 1 | 464.55000000 | | 19K6F1D |
| 5 | 1 | 464.55000000 | | 20K0F3E |
| 1 | 1 | 464.60000000 | | 20K0F1D |
| 1 | 1 | 464.60000000 | | 20K0F3E |
| 2 | 1 | 464.60000000 | | 20K0F3E |
| 1 | 1 | 464.62500000 | | 20K0F1D |
| 1 | 1 | 464.62500000 | | 20K0F3E |
| 2 | 1 | 464.62500000 | | 20K0F3E |
| 1 | 1 | 464.65000000 | | 20K0F1D |
| 1 | 1 | 464.65000000 | | 20K0F3E |
| 2 | 1 | 464.65000000 | | 20K0F3E |
| 1 | 1 | 464.70000000 | | 20K0F1D |
| 1 | 1 | 464.70000000 | | 20K0F3E |
| 2 | 1 | 464.70000000 | | 20K0F3E |
| 1 | 1 | 464.72500000 | | 20K0F1D |
| 1 | 1 | 464.72500000 | | 20K0F3E |
| 2 | 1 | 464.72500000 | | 20K0F3E |
| 1 | 1 | 464.75000000 | | 20K0F1D |
| 1 | 1 | 464.75000000 | | 20K0F3E |
| 2 | 1 | 464.75000000 | | 20K0F3E |
| 5 | 1 | 469.50000000 | | 20K0F3E |
| 5 | 1 | 469.55000000 | | 20K0F3E |
| 2 | 1 | 469.60000000 | | 20K0F1D |
| 2 | 1 | 469.60000000 | | 20K0F3E |
| 2 | 1 | 469.62500000 | | 20K0F3E |
| 2 | 1 | 469.62500000 | | 20K0F1D |
| 2 | 1 | 469.65000000 | | 20K0F1D |
| 2 | 1 | 469.65000000 | | 20K0F3E |
| 2 | 1 | 469.70000000 | | 20K0F1D |
| 2 | 1 | 469.70000000 | | 20K0F3E |
| 2 | 1 | 469.72500000 | | 20K0F3E |
| 2 | 1 | 469.72500000 | | 20K0F1D |
| 2 | 1 | 469.75000000 | | 20K0F1D |
| 2 | 1 | 469.75000000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | | | | | | |
| 2 | T | | | | | | |
| 3 | T | 2727 CENTRAL AVE., BILLINGS, YELLOWSTONE, MT | 45.77022222, -108.58569444 | 984.000 m | BANT | 6.000 m structure / 9.000 m overall | N |
| 4 | T | | 45.77022222, -108.58569444 | | | | N |
| 5 | T | MT | | | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | | | 9.000 m | | | | 48.700 | |
| 1 | 4 | | | | | | | | |
| 1 | 5 | | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 713 PLEASANT, MILES CITY, MT | CUSTER | 4062326666 |
License history
| Date | File or call sign | Action |
|---|
| 2012-07-14 | WPKN405 | LIEXP |
| 2012-02-13 | WPKN405 | LETRES |
| 2003-01-13 | WPKN405 | LETCNS |
| 2002-06-05 | WPKN405 | AUDOPR |
| 2002-04-16 | WPKN405 | LIREN |
| 2002-02-13 | WPKN405 | LIAUA |
| 2002-02-11 | WPKN405 | LETRES |
| 2000-11-23 | WPKN405 | LICCNV |
| 1997-05-09 | WPKN405 | LIISS |
| 1997-05-09 | WPKN405 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1748985 | 2026-08-02 01:12:19 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPKN405 | ULS 1748985 | 2026-08-02 01:12:19 |
| Status | E | ULS 1748985 | 2026-08-02 01:12:19 |
| Service | IG | ULS 1748985 | 2026-08-02 01:12:19 |
| Grant Date | 2002-04-16 | ULS 1748985 | 2026-08-02 01:12:19 |
| Expiration Date | 2012-05-09 | ULS 1748985 | 2026-08-02 01:12:19 |
| Cancellation Date | 2012-07-14 | ULS 1748985 | 2026-08-02 01:12:19 |