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K228DT

HAPPY HOLLOW OR

FM TRANSLATOR

Channel 228 (93.5 MHz)
RDS PI Code: d1ad

Translator for: KOPB-FM

PORTLAND OR

OREGON PUBLIC BROADCASTING
7140 S MACADAM AVENUE
PORTLAND OR 97219
5032449900
Facility ID: 50614
Licensed

Historic Grid View
Correspondence
FRN:

L2C BLFT-20000414ACQ

Granted

08/08/2000

REC Application ID: 508332 (eLMS)
Record Type: FM Translator
Application Purpose: License to Cover
Expiration Date: 02/01/2022
FRN: 0001549252
Channel: 228D (93.5)
NAD83 Coordinates: 45 12' 47.3" N / 123 45' 18.4" W
Elevation: 957 m AMSL
Transmitter Power Output: 0.009 kW

	Horiz	Vert
Effective Radiated Power (kW)	0.01	0.01
Maximum Effective Radiated Power: (kW)	0	0
Radiation center above average terrain	677 m	0 m
Radiation center-height above ground:	11.6 m	11.6 m
Radiation center-above mean sea level:	969 m	969 m

Overall antenna height above ground: 12.2 m
REC Translator Subclass: D6
Under current rules, this translator may be considered as having a service contour of 13.3km or greater in respect of protection by LPFM stations.
Directional Antenna:
Antenna Rotation: 210

Rad	Field	dB	ERP	Rad	Field	dB	ERP	Rad	Field	dB	ERP
0	1.000	0.0	0.010	120	0.046	-26.7	0.000	240	0.046	-26.7	0.000
10	0.979	-0.2	0.010	130	0.065	-23.7	0.000	250	0.037	-28.6	0.000
20	0.920	-0.7	0.008	140	0.142	-17.0	0.000	260	0.032	-29.9	0.000
30	0.829	-1.6	0.007	150	0.202	-13.9	0.000	270	0.030	-30.5	0.000
40	0.715	-2.9	0.005	160	0.234	-12.6	0.001	280	0.045	-26.9	0.000
50	0.570	-4.9	0.003	170	0.250	-12.0	0.001	290	0.187	-14.6	0.000
60	0.388	-8.2	0.002	180	0.260	-11.7	0.001	300	0.388	-8.2	0.002
70	0.187	-14.6	0.000	190	0.250	-12.0	0.001	310	0.570	-4.9	0.003
80	0.045	-26.9	0.000	200	0.234	-12.6	0.001	320	0.715	-2.9	0.005
90	0.030	-30.5	0.000	210	0.202	-13.9	0.000	330	0.829	-1.6	0.007
100	0.032	-29.9	0.000	220	0.142	-17.0	0.000	340	0.920	-0.7	0.008
110	0.037	-28.6	0.000	230	0.065	-23.7	0.000	350	0.979	-0.2	0.010

Public Notice Comments: Lic. to cover

MOD BPFT-19991025AAC

Granted

01/21/2000

L2C BLFT-19951017TE

Granted

02/09/1996

CALL SIGN HISTORY

941209TA - 00/00/0000 (CDBS)
K228DT - 01/21/2000 (CDBS)

PRIMARY STATION HISTORY

Date	File #	Primary Station		Method
2000-01-21	19991025AAC	KOPB-FM	PORTLAND OR	Direct-off-air
2000-08-08	20000414ACQ	KOPB-FM	PORTLAND OR	Direct-off-air
2022-01-24	0000161453	KOPB-FM	PORTLAND OR

For assistance with LPFM, FM and translators, contact REC!

APPLICATION HISTORY

	BPFT-19941209TA	Construction Permit	Granted 04/11/1995
	BLFT-19951017TE	License to Cover	Granted 02/09/1996
	BRFT-19971001B4	Renewal	Granted 05/26/1998
	BPFT-19991025AAC	Modification	Granted 01/21/2000
	BLFT-20000414ACQ	License to Cover	Granted 08/08/2000
	0000161453	Renewal	Granted 01/24/2022
	0000161451	Renewal	Granted 01/24/2022
A red arrow means this application has additional transaction log history since July 1, 2014. Click the arrow to expand.
A blue arrow means that some details may be available through public notice data. Click the arrow to expand. (Provided by the REC Radio History Project)