Universal Licensing System
KNNU454
COMPRESSER SYSTEMS INC DBA CSI
License details
| ULS identifier | 1635468 |
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| Call sign | KNNU454 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 1996-05-01 |
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| Expiration | 2001-05-01 |
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| Cancellation | 2001-07-01 |
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| Frequency range | 461.475 - 464.575 MHz (2 frequencies) |
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| Locations | 1 |
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| Representative location | MIDLAND, TX |
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| Coordinates | 31.9140000, -102.2123611 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:12:37 |
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Licensee
| Name | COMPRESSER SYSTEMS INC DBA CSI |
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| Applicant type | C |
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| FRN | 0001664846 |
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| Location | MIDLAND, TX |
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| Address | MIDLAND, TX, 79711 |
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| Phone | 9155631170 |
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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 | MO | 461.47500000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 464.57500000 | | | 4.000000 | 4.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 461.47500000 | | 20K0F3E |
| 1 | 1 | 464.57500000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | MIDLAND, TX | 31.91400000, -102.21236111 | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 3809 S FM1788, MIDLAND, TX | | 9155631170 |
License history
| Date | File or call sign | Action |
|---|
| 2001-09-13 | KNNU454 | AUDCAN |
| 2001-07-01 | KNNU454 | LIEXP |
| 2001-02-05 | KNNU454 | LETRES |
| 2000-11-23 | KNNU454 | LICCNV |
| 1996-11-14 | KNNU454 | LIMOD |
| 1996-11-14 | KNNU454 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 1635468 | 2026-08-02 01:12:37 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | KNNU454 | ULS 1635468 | 2026-08-02 01:12:37 |
| Status | E | ULS 1635468 | 2026-08-02 01:12:37 |
| Service | IG | ULS 1635468 | 2026-08-02 01:12:37 |
| Grant Date | 1996-05-01 | ULS 1635468 | 2026-08-02 01:12:37 |
| Expiration Date | 2001-05-01 | ULS 1635468 | 2026-08-02 01:12:37 |
| Cancellation Date | 2001-07-01 | ULS 1635468 | 2026-08-02 01:12:37 |