Universal Licensing System
KOS419
INFINITY RADIO OPERATIONS INC.
License details
| ULS identifier | 1117953 |
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| Call sign | KOS419 |
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| Radio service | RP |
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| Status | C |
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| Grant date | 1981-10-19 |
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| Expiration | 2005-04-01 |
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| Cancellation | 2003-04-29 |
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| Frequency range | 450.3875 MHz |
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| Locations | 1 |
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| Representative location | MORRISON, JEFFERSON, CO |
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| Coordinates | 39.5627778, -105.2608333 |
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| Source archive | l_LMbcast.zip |
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| Dataset refreshed | 2026-08-09 00:47:59 |
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Licensee
| Name | INFINITY RADIO OPERATIONS INC. |
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| Location | WASHINGTON, DC |
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| Address | 2000 K STREET, N.W. SUITE 725, WASHINGTON, DC, 200061809 |
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| Phone | 2024574518 |
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| Email | [email protected] |
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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 | FB | 450.38750000 | | | 75.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
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| 1 | 1 | 450.38750000 | | 25K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | DOUBLEHEAD MTN 1/2 MI N OF HWY/JCT, MORRISON, JEFFERSON, CO | 39.56277778, -105.26083333 | | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
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| 1 | 1 | T | | 30.000 m | | | | | |
License history
| Date | File or call sign | Action |
|---|
| 2003-04-30 | KOS419 | LICAN |
| 2003-02-07 | KOS419 | AUTHPR |
| 2003-01-29 | KOS419 | PNACT |
| 2003-01-22 | KOS419 | AUTHPR |
| 2003-01-21 | KOS419 | LIMOD |
| 2002-06-07 | KOS419 | LIAUA |
| 2002-03-15 | KOS419 | LIAUA |
| 2000-10-31 | KOS419 | LIAUA |
| 2000-10-26 | KOS419 | LIAUA |
| 2000-09-15 | KOS419 | LICCNV |
| 1999-01-06 | KOS419 | AUTHPR |
| 1981-10-19 | KOS419 | LIMOD |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1117953 | 2026-08-09 00:47:59 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | KOS419 | ULS 1117953 | 2026-08-09 00:47:59 |
| Status | C | ULS 1117953 | 2026-08-09 00:47:59 |
| Service | RP | ULS 1117953 | 2026-08-09 00:47:59 |
| Grant Date | 1981-10-19 | ULS 1117953 | 2026-08-09 00:47:59 |
| Expiration Date | 2005-04-01 | ULS 1117953 | 2026-08-09 00:47:59 |
| Cancellation Date | 2003-04-29 | ULS 1117953 | 2026-08-09 00:47:59 |