Universal Licensing System
WPKI639
RADIO MAINTENANCE, INC.
License details
| ULS identifier | 1747139 |
|---|
| Call sign | WPKI639 |
|---|
| Radio service | YG |
|---|
| Status | A |
|---|
| Grant date | 2021-12-31 |
|---|
| Expiration | 2032-03-04 |
|---|
| Frequency range | 463.55 - 468.55 MHz (2 frequencies) |
|---|
| Locations | 3 |
|---|
| Representative location | READING, BERKS, PA |
|---|
| Coordinates | 40.3542500, -75.8983333 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:12:43 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB6 | 463.55000000 | | | 75.000000 | 154.000000 | |
| 3 | 1 | MO6 | 463.55000000 | | | 40.000000 | 100.000000 | |
| 2 | 1 | FX1 | 468.55000000 | | | 40.000000 | 40.000000 | |
| 3 | 1 | MO6 | 468.55000000 | | | 40.000000 | 100.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 463.55000000 | | 11K2F3E |
| 1 | 1 | 463.55000000 | | 4K00F1E |
| 3 | 1 | 463.55000000 | | 4K00F1E |
| 3 | 1 | 463.55000000 | | 11K2F3E |
| 2 | 1 | 468.55000000 | | 4K00F1E |
| 2 | 1 | 468.55000000 | | 11K2F3E |
| 3 | 1 | 468.55000000 | | 11K2F3E |
| 3 | 1 | 468.55000000 | | 4K00F1E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | Atop Mt. Penn - Skyline Drive, READING, BERKS, PA | 40.35425000, -75.89833333 | 335.400 m | GTOWER | 45.800 m structure / 52.500 m overall | N |
| 2 | T | PA | | | | | |
| 3 | T | | | | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 29.000 m | | | | 225.000 | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 1840 Kutztown Road, READING, PA | BERKS | 6108981211 |
License history
| Date | File or call sign | Action |
|---|
| 2021-12-31 | WPKI639 | LIREN |
| 2021-12-06 | WPKI639 | LETRES |
| 2016-09-28 | WPKI639 | LIAUA |
| 2015-02-28 | WPKI639 | LIAUA |
| 2015-02-27 | WPKI639 | ESUAPR |
| 2015-02-24 | WPKI639 | LIMOD |
| 2015-01-28 | WPKI639 | LIMOD |
| 2011-12-15 | WPKI639 | LIREN |
| 2011-12-12 | WPKI639 | LETRES |
| 2011-10-03 | WPKI639 | LIMOD |
| 2011-09-07 | WPKI639 | ESUAPR |
| 2005-01-04 | WPKI639 | ESUAPR |
| 2004-07-10 | WPKI639 | LIAUA |
| 2004-07-09 | WPKI639 | ESCAPR |
| 2002-01-01 | WPKI639 | LIREN |
| 2001-12-10 | WPKI639 | LETRES |
| 2001-12-06 | WPKI639 | AUDOPR |
| 2001-02-23 | WPKI639 | AUTHPR |
| 2001-02-22 | WPKI639 | INTDUP |
| 2001-02-22 | WPKI639 | COR |
| 2000-11-23 | WPKI639 | LICCNV |
| 1997-03-04 | WPKI639 | LIISS |
| 1997-03-04 | WPKI639 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1747139 | 2026-08-02 01:12:43 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPKI639 | ULS 1747139 | 2026-08-02 01:12:43 |
| Status | A | ULS 1747139 | 2026-08-02 01:12:43 |
| Service | YG | ULS 1747139 | 2026-08-02 01:12:43 |
| Grant Date | 2021-12-31 | ULS 1747139 | 2026-08-02 01:12:43 |
| Expiration Date | 2032-03-04 | ULS 1747139 | 2026-08-02 01:12:43 |