Universal Licensing System
WPNI444
UNIVERSITY OF PUERTO RICO
License details
| ULS identifier | 1043650 |
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| Call sign | WPNI444 |
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| Radio service | CF |
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| Status | E |
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| Grant date | 1997-09-16 |
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| Expiration | 2001-02-01 |
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| Cancellation | 2001-05-06 |
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| Frequency range | 21225 - 21775 MHz (3 frequencies) |
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| Locations | 4 |
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| Representative location | RIO PIEDRAS, PR |
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| Coordinates | 18.3895833, -66.0564444 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-17 04:26:37 |
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Licensee
| Name | UNIVERSITY OF PUERTO RICO |
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| Location | SAN JUAN, PR |
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| Address | APARTADO 364984 G, SAN JUAN, PR, 009364984 |
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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 | 3 | FXO | 21225.00000000 | | | | | |
| 1 | 1 | FXO | 21625.00000000 | | | | | |
| 1 | 2 | FXO | 21775.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 3 | 21225.00000000 | | 10M5F7W |
| 1 | 1 | 21625.00000000 | | 10M5F7W |
| 1 | 2 | 21775.00000000 | | 50M0F9W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | CARR 1 KM 12.9, RIO PIEDRAS, PR | 18.38958333, -66.05644444 | 29.900 m | | 16.500 m structure / 21.300 m overall | |
| 2 | R | | 18.39616667, -66.07380556 | 24.400 m | | | |
| 3 | R | | 18.39800000, -66.07291667 | 29.900 m | | | |
| 4 | R | | 18.40425000, -66.04925000 | 30.200 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | V | 40.4000 | 291.7000 | | |
| 1 | 2 | R | | | | 40.4000 | | | |
| 1 | 3 | R | | | | 40.4000 | | | |
| 1 | 4 | R | | | | 40.4000 | | | |
| 2 | 1 | T | | | V | 40.4000 | 298.2000 | | |
| 3 | 1 | T | | | V | 40.4000 | 25.1000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2001-05-06 | WPNI444 | LIEXP |
| 2000-11-13 | WPNI444 | LETRES |
| 1999-08-14 | WPNI444 | LICCNV |
| 1997-09-16 | WPNI444 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1043650 | 2026-08-17 04:26:37 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPNI444 | ULS 1043650 | 2026-08-17 04:26:37 |
| Status | E | ULS 1043650 | 2026-08-17 04:26:37 |
| Service | CF | ULS 1043650 | 2026-08-17 04:26:37 |
| Grant Date | 1997-09-16 | ULS 1043650 | 2026-08-17 04:26:37 |
| Expiration Date | 2001-02-01 | ULS 1043650 | 2026-08-17 04:26:37 |
| Cancellation Date | 2001-05-06 | ULS 1043650 | 2026-08-17 04:26:37 |