Universal Licensing System
KNBL421
PUERTO RICO PORTS AUTHORITY
License details
| ULS identifier | 1210812 |
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| Call sign | KNBL421 |
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| Radio service | PW |
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| Status | E |
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| Grant date | 1996-08-05 |
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| Expiration | 2001-09-25 |
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| Cancellation | 2002-02-24 |
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| Frequency range | 154.98 - 156 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | SAN JUAN, PR |
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| Coordinates | 18.4671667, -66.1107222 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:26:25 |
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Licensee
| Name | PUERTO RICO PORTS AUTHORITY |
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| Applicant type | G |
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| Location | SAN JUAN, PR |
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| Address | HANGAR 20 ISLA GRANDE, SAN JUAN, PR, 009362829 |
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| Phone | 8097228522 |
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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 | 154.98000000 | | | 6.000000 | | |
| 1 | 1 | MO | 156.00000000 | | | 6.000000 | | |
| 2 | 1 | FB | 156.00000000 | | | 110.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 154.98000000 | | 20K0F3E |
| 1 | 1 | 156.00000000 | | 20K0F3E |
| 2 | 1 | 156.00000000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | | | | | | |
| 2 | T | HANGAR 20 ISLA GRANDE, SAN JUAN, PR | 18.46716667, -66.11072222 | 18.000 m | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
| 1 | 2 | T | | 15.000 m | | | | 1.000 | |
Control points
| Number | Address | County | Phone |
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| 1 | SAN, JUAN, PR | | 8097228522 |
License history
| Date | File or call sign | Action |
|---|
| 2002-02-24 | KNBL421 | LIEXP |
| 2001-10-15 | KNBL421 | LETAUS |
| 2001-07-02 | KNBL421 | LETRES |
| 2000-10-20 | KNBL421 | LICCNV |
| 1996-08-05 | KNBL421 | AUTHPR |
| 1996-08-05 | KNBL421 | LIREN |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1210812 | 2026-08-02 01:26:25 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KNBL421 | ULS 1210812 | 2026-08-02 01:26:25 |
| Status | E | ULS 1210812 | 2026-08-02 01:26:25 |
| Service | PW | ULS 1210812 | 2026-08-02 01:26:25 |
| Grant Date | 1996-08-05 | ULS 1210812 | 2026-08-02 01:26:25 |
| Expiration Date | 2001-09-25 | ULS 1210812 | 2026-08-02 01:26:25 |
| Cancellation Date | 2002-02-24 | ULS 1210812 | 2026-08-02 01:26:25 |