Universal Licensing System

WRDH250

Riverdale School District

License details

ULS identifier4154697
Call signWRDH250
Radio serviceIG
StatusA
Grant date2019-04-27
Expiration2029-04-27
Frequency range151.52 - 466.75 MHz (6 frequencies)
Locations1
Representative locationPORTLAND, MULTNOMAH, OR
Coordinates45.4400833, -122.6561667
Source archivel_LMpriv.zip
Dataset refreshed2026-08-02 01:22:45

Licensee

NameRiverdale School District
Applicant typeG
FRN0028316172
LocationPortland, OR
Address11733 SW Breyman Ave., Portland, OR, 97219
Phone5032624840
Email[email protected]

Frequency assignments

LocationAntennaStation classAssigned MHzUpper MHzCarrier MHzOutput WERP WAltitude
11MO151.520000005.0000005.000000
11MO151.535000005.0000005.000000
11MO151.550000005.0000005.000000
11MO151.565000005.0000005.000000
21MO461.750000004.0000004.000000
21MO466.750000004.0000004.000000

Emission designators

LocationAntennaFrequency MHzUpper MHzEmission
11151.5200000011K2F3E
11151.5350000011K2F3E
11151.5500000011K2F3E
11151.5650000011K2F3E
21461.7500000011K2F3E
21461.750000007K60FXE
21466.750000007K60FXE
21466.7500000011K2F3E

Licensed locations

LocationTypeAddressCoordinatesGround elevationStructureHeightNEPA
1TPORTLAND, MULTNOMAH, OR45.45408333, -122.68461111
2TPORTLAND, MULTNOMAH, OR45.44008333, -122.65616667N

Antennas

LocationAntennaTypeMake / modelHeightPolarizationGain dBAzimuthRadiation centerMaximum EIRP W
11T
12T

Control points

NumberAddressCountyPhone
19727 SW Terilliger Blvd, PORTLAND, ORMULTNOMAH5032624844
211733 SW BREYMAN AVE, PORTLAND, ORMULTNOMAH5032624840

License history

DateFile or call signAction
2024-04-09WRDH250LETCNS
2023-07-07WRDH250LIMOD
2020-01-28WRDH250LETCNS
2019-04-27WRDH250LIISS

Sources and provenance

SourceSource recordRetrievedMatch
ULS41546972026-08-02 01:22:45Official Bulk Record
Selected field provenance
FieldDisplayed valueSourceObserved
Call SignWRDH250ULS 41546972026-08-02 01:22:45
StatusAULS 41546972026-08-02 01:22:45
ServiceIGULS 41546972026-08-02 01:22:45
Grant Date2019-04-27ULS 41546972026-08-02 01:22:45
Expiration Date2029-04-27ULS 41546972026-08-02 01:22:45