Universal Licensing System
WPYI641
National Constitution Center
License details
| ULS identifier | 2541645 |
|---|
| Call sign | WPYI641 |
|---|
| Radio service | IG |
|---|
| Status | A |
|---|
| Grant date | 2023-08-05 |
|---|
| Expiration | 2033-08-18 |
|---|
| Frequency range | 451.4125 - 466.175 MHz (6 frequencies) |
|---|
| Locations | 2 |
|---|
| Representative location | Philadelphia, PHILADELPHIA, PA |
|---|
| Coordinates | 39.9525000, -75.1486111 |
|---|
| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:16:10 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | MO | 451.41250000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 451.43750000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 452.28750000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 452.51250000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | FB2 | 461.17500000 | | | 40.000000 | 40.000000 | |
| 3 | 1 | MO | 461.17500000 | | | 4.000000 | 4.000000 | |
| 3 | 1 | MO | 466.17500000 | | | 4.000000 | 4.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.41250000 | | 11K2F3E |
| 1 | 1 | 451.41250000 | | 7K60FXE |
| 1 | 1 | 451.41250000 | | 7K60FXD |
| 1 | 1 | 451.43750000 | | 7K60FXE |
| 1 | 1 | 451.43750000 | | 11K2F3E |
| 1 | 1 | 451.43750000 | | 7K60FXD |
| 1 | 1 | 452.28750000 | | 7K60FXD |
| 1 | 1 | 452.28750000 | | 7K60FXE |
| 1 | 1 | 452.28750000 | | 11K2F3E |
| 1 | 1 | 452.51250000 | | 11K2F3E |
| 1 | 1 | 452.51250000 | | 7K60FXD |
| 1 | 1 | 452.51250000 | | 7K60FXE |
| 2 | 1 | 461.17500000 | | 11K2F3E |
| 2 | 1 | 461.17500000 | | 7K60FXE |
| 2 | 1 | 461.17500000 | | 7K60FXD |
| 3 | 1 | 461.17500000 | | 7K60FXD |
| 3 | 1 | 461.17500000 | | 7K60FXE |
| 3 | 1 | 461.17500000 | | 11K2F3E |
| 3 | 1 | 466.17500000 | | 11K2F3E |
| 3 | 1 | 466.17500000 | | 7K60FXE |
| 3 | 1 | 466.17500000 | | 7K60FXD |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | Philadelphia, PHILADELPHIA, PA | 39.95250000, -75.14861111 | | | | |
| 2 | T | 525 Arch Street, Philadelphia, PHILADELPHIA, PA | 39.95250000, -75.14861111 | 10.000 m | B | 12.200 m structure / 12.200 m overall | N |
| 3 | T | | | | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | | | | | | | | |
| 1 | 2 | T | | 12.200 m | | | | -5.600 | |
| 1 | 3 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 525 Arch Street Independence Mall, Philadelphia, PA | PHILADELPHIA | 2154096675 |
License history
| Date | File or call sign | Action |
|---|
| 2023-08-05 | WPYI641 | LIREN |
| 2016-06-21 | WPYI641 | LETCNS |
| 2015-09-17 | WPYI641 | LIMOD |
| 2013-09-26 | WPYI641 | LIREN |
| 2004-05-17 | WPYI641 | LETCNS |
| 2003-08-18 | WPYI641 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2541645 | 2026-08-02 01:16:10 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPYI641 | ULS 2541645 | 2026-08-02 01:16:10 |
| Status | A | ULS 2541645 | 2026-08-02 01:16:10 |
| Service | IG | ULS 2541645 | 2026-08-02 01:16:10 |
| Grant Date | 2023-08-05 | ULS 2541645 | 2026-08-02 01:16:10 |
| Expiration Date | 2033-08-18 | ULS 2541645 | 2026-08-02 01:16:10 |