Universal Licensing System
KYL923
J C O BRIEN & SONS INC
License details
| ULS identifier | 1858820 |
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| Call sign | KYL923 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 2001-08-16 |
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| Expiration | 2011-08-16 |
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| Cancellation | 2011-10-22 |
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| Frequency range | 153.035 MHz |
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| Locations | 6 |
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| Representative location | BRADY, PONDERA, MT |
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| Coordinates | 48.1035833, -111.9141944 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:10:53 |
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Licensee
| Name | J C O BRIEN & SONS INC |
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| Applicant type | C |
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| FRN | 0001645381 |
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| Location | CONRAD, MT |
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| Address | CONRAD, MT, 59425 |
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| Phone | 4062783260 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB | 153.03500000 | | | 60.000000 | 88.000000 | |
| 2 | 1 | FB | 153.03500000 | | | 60.000000 | 144.000000 | |
| 3 | 1 | FB | 153.03500000 | | | 60.000000 | 88.000000 | |
| 4 | 1 | MO | 153.03500000 | | | 60.000000 | | |
| 5 | 1 | MO | 153.03500000 | | | 60.000000 | | |
| 6 | 1 | MO | 153.03500000 | | | 60.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 153.03500000 | | 20K0F3E |
| 2 | 1 | 153.03500000 | | 20K0F3E |
| 3 | 1 | 153.03500000 | | 20K0F3E |
| 4 | 1 | 153.03500000 | | 20K0F3E |
| 5 | 1 | 153.03500000 | | 20K0F3E |
| 6 | 1 | 153.03500000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 6 MI NNW, BRADY, PONDERA, MT | 48.10358333, -111.91419444 | 1113.000 m | B | 8.000 m structure / 11.000 m overall | N |
| 2 | T | 4 MI SE, CONRAD, PONDERA, MT | 48.13052778, -111.84111111 | 1129.000 m | B | 9.000 m structure / 12.000 m overall | N |
| 3 | T | 4.2 MI SE, CONRAD, PONDERA, MT | 48.12275000, -111.91975000 | 1132.000 m | B | 8.000 m structure / 11.000 m overall | N |
| 4 | T | | | | | | |
| 5 | T | | | | | | |
| 6 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 11.000 m | | | | 27.000 | |
| 1 | 2 | T | | 12.000 m | | | | 69.000 | |
| 1 | 3 | T | | 11.000 m | | | | 50.000 | |
| 1 | 4 | T | | | | | | | |
| 1 | 5 | T | | | | | | | |
| 1 | 6 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 4 MI SE, CONRAD, MT | | 4062783687 |
License history
| Date | File or call sign | Action |
|---|
| 2011-10-22 | KYL923 | LIEXP |
| 2011-05-23 | KYL923 | LETRES |
| 2001-10-16 | KYL923 | AUDOPR |
| 2001-08-16 | KYL923 | LIREN |
| 2001-05-14 | KYL923 | LETRES |
| 2000-11-24 | KYL923 | LICCNV |
| 1996-08-09 | KYL923 | LIISS |
| 1996-08-09 | KYL923 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1858820 | 2026-08-02 01:10:53 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KYL923 | ULS 1858820 | 2026-08-02 01:10:53 |
| Status | E | ULS 1858820 | 2026-08-02 01:10:53 |
| Service | IG | ULS 1858820 | 2026-08-02 01:10:53 |
| Grant Date | 2001-08-16 | ULS 1858820 | 2026-08-02 01:10:53 |
| Expiration Date | 2011-08-16 | ULS 1858820 | 2026-08-02 01:10:53 |
| Cancellation Date | 2011-10-22 | ULS 1858820 | 2026-08-02 01:10:53 |