Universal Licensing System
WPPX429
COMPUTECH SYSTEMS INC
License details
| ULS identifier | 1821438 |
|---|
| Call sign | WPPX429 |
|---|
| Radio service | IG |
|---|
| Status | A |
|---|
| Grant date | 2025-02-25 |
|---|
| Expiration | 2035-02-28 |
|---|
| Frequency range | 450 - 470 MHz (2 frequencies) |
|---|
| Locations | 1 |
|---|
| Representative location | MD |
|---|
| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:17:42 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | MO | 450.00000000 | 470.00000000 | | 5.000000 | 5.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 450.00000000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | MD | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 2 | 30069 BUSINESS CENTER DR, CHARLOTTE HALL, MD | CHARLES | 3018845712 |
Special conditions
| Type | Condition code |
|---|
| P | 1023 |
| P | 1031 |
License history
| Date | File or call sign | Action |
|---|
| 2025-02-25 | WPPX429 | LIREN |
| 2014-12-17 | WPPX429 | LIREN |
| 2014-12-11 | WPPX429 | ESCAPR |
| 2014-12-08 | WPPX429 | LETRES |
| 2005-02-17 | WPPX429 | LIREN |
| 2005-02-17 | WPPX429 | COR |
| 2005-01-14 | WPPX429 | LTSFRN |
| 2004-12-06 | WPPX429 | LETRES |
| 2000-11-23 | WPPX429 | LICCNV |
| 2000-02-28 | WPPX429 | LIISS |
| 2000-02-28 | WPPX429 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1821438 | 2026-08-02 01:17:42 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPPX429 | ULS 1821438 | 2026-08-02 01:17:42 |
| Status | A | ULS 1821438 | 2026-08-02 01:17:42 |
| Service | IG | ULS 1821438 | 2026-08-02 01:17:42 |
| Grant Date | 2025-02-25 | ULS 1821438 | 2026-08-02 01:17:42 |
| Expiration Date | 2035-02-28 | ULS 1821438 | 2026-08-02 01:17:42 |