Universal Licensing System
WRFA938
SIGMA SECURITY SERVICES AND FORENSIC CONSULTANTS
License details
| ULS identifier | 4242083 |
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| Call sign | WRFA938 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2020-01-21 |
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| Expiration | 2030-01-21 |
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| Frequency range | 462.0375 - 467.0375 MHz (2 frequencies) |
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| Locations | 5 |
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| Representative location | CAGUAS, CAGUAS, PR |
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| Coordinates | 18.2487778, -66.0206389 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:23:22 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 462.03750000 | | | 25.000000 | 50.000000 | |
| 2 | 1 | MO | 462.03750000 | | | 4.000000 | 8.000000 | |
| 3 | 1 | FB2 | 462.03750000 | | | 25.000000 | 50.000000 | |
| 4 | 1 | MO | 462.03750000 | | | 4.000000 | 8.000000 | |
| 2 | 1 | MO | 467.03750000 | | | 4.000000 | 8.000000 | |
| 4 | 1 | MO | 467.03750000 | | | 4.000000 | 8.000000 | |
| 5 | 1 | FX1 | 467.03750000 | | | 25.000000 | 50.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 462.03750000 | | 11K2F3E |
| 2 | 1 | 462.03750000 | | 11K2F3E |
| 3 | 1 | 462.03750000 | | 11K2F3E |
| 4 | 1 | 462.03750000 | | 11K2F3E |
| 2 | 1 | 467.03750000 | | 11K2F3E |
| 4 | 1 | 467.03750000 | | 11K2F3E |
| 5 | 1 | 467.03750000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 200 RAFAEL CORDERO AVE, CAGUAS, CAGUAS, PR | 18.24877778, -66.02063889 | 49.000 m | BPIPE | 62.000 m structure / 62.000 m overall | |
| 2 | T | | | | | | |
| 3 | T | CARR #2 INT CARR 167, BAYAMON, BAYAMON, PR | 18.39483333, -66.15925000 | 10.000 m | BPIPE | 19.000 m structure / 19.000 m overall | |
| 4 | T | BAYAMON, PR | | | | | |
| 5 | T | PR | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 62.000 m | | | | -20.800 | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | T | | 19.000 m | | | | -14.800 | |
| 1 | 4 | T | | | | | | | |
| 1 | 5 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 200 RAFAEL CORDERO AVE, CAGUAS, PR | CAGUAS | 7872862088 |
License history
| Date | File or call sign | Action |
|---|
| 2021-03-15 | WRFA938 | FRATRE |
| 2021-02-24 | WRFA938 | LETTRS |
| 2021-02-24 | WRFA938 | PNLISR |
| 2020-10-20 | WRFA938 | LETCNS |
| 2020-01-21 | WRFA938 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4242083 | 2026-08-02 01:23:22 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRFA938 | ULS 4242083 | 2026-08-02 01:23:22 |
| Status | A | ULS 4242083 | 2026-08-02 01:23:22 |
| Service | IG | ULS 4242083 | 2026-08-02 01:23:22 |
| Grant Date | 2020-01-21 | ULS 4242083 | 2026-08-02 01:23:22 |
| Expiration Date | 2030-01-21 | ULS 4242083 | 2026-08-02 01:23:22 |