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K280CS

MAMMOTH HOT SPRINGS WY

FM TRANSLATOR

Channel 280 (103.9 MHz)
RDS PI Code: d3c5

Translator for: KEMC

BILLINGS MT

MAMMOTH COMMUNITY TV & FM ASSOC.
P.O. BOX 255
YELLOWSTONE PARK WY 82190
Facility ID: 39763
Licensed

Historic Grid View
Correspondence
FRN:

L2C BLFT-19861110TJ

Granted

03/04/1987

REC Application ID: 94534 (eLMS)
Record Type: FM Translator
Application Purpose: License to Cover
Expiration Date: 10/01/2021
FRN: 0013443015
Channel: 280D (103.9)
NAD83 Coordinates: 44 55' 55.7" N / 110 42' 22.7" W
Elevation: 2610 m AMSL

	Horiz	Vert
Effective Radiated Power (kW)	0.044	0
Maximum Effective Radiated Power: (kW)	0	0
Radiation center above average terrain	306 m	0 m
Radiation center-height above ground:	0 m	0 m
Radiation center-above mean sea level:	2610 m	0 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:

Rad	Field	dB	ERP	Rad	Field	dB	ERP	Rad	Field	dB	ERP
0	1.000	0.0	0.044	120	0.080	-21.9	0.000	240	0.030	-30.5	0.000
10	0.938	-0.6	0.039	130	0.125	-18.1	0.001	250	0.015	-36.5	0.000
20	0.792	-2.0	0.028	140	0.145	-16.8	0.001	260	0.010	-40.0	0.000
30	0.580	-4.7	0.015	150	0.165	-15.7	0.001	270	0.010	-40.0	0.000
40	0.310	-10.2	0.004	160	0.190	-14.4	0.002	280	0.010	-40.0	0.000
50	0.095	-20.4	0.000	170	0.225	-13.0	0.002	290	0.010	-40.0	0.000
60	0.010	-40.0	0.000	180	0.233	-12.7	0.002	300	0.050	-26.0	0.000
70	0.010	-40.0	0.000	190	0.220	-13.2	0.002	310	0.120	-18.4	0.001
80	0.010	-40.0	0.000	200	0.195	-14.2	0.002	320	0.330	-9.6	0.005
90	0.010	-40.0	0.000	210	0.160	-15.9	0.001	330	0.590	-4.6	0.015
100	0.010	-40.0	0.000	220	0.120	-18.4	0.001	340	0.792	-2.0	0.028
110	0.030	-30.5	0.000	230	0.070	-23.1	0.000	350	0.935	-0.6	0.038

Public Notice Comments: LIC TO COVER (BPFT-860115TF, WHICH AUTHORIZED NEW STN) LICENSE CANCELLED BY LETTER OF MARCH 16, 1999 4/30/99--PETITION FOR RECONSIDERATION GRANTED, CALL SIGN REINSTATED, SPECIAL TEMPORARY AUTHORITY TO OPERATE AUTHORIZED FACILITIES IS GRANTED, RENEWAL APPLICATION BRFT-990326WC IS ACCEPTED FOR FILING

CP BPFT-19860115TF

Granted

04/09/1986

CALL SIGN HISTORY

860115TF - 00/00/0000 (CDBS)
K280CS - 04/25/1986 (CDBS)

PRIMARY STATION HISTORY

Date	File #	Primary Station		Method
1987-03-04	19861110TJ	KEMC	BILLINGS MT
2021-06-30	0000151285	KEMC	BILLINGS MT

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

APPLICATION HISTORY

	BPFT-19860115TF	Construction Permit	Granted 04/09/1986
	BLFT-19861110TJ	License to Cover	Granted 03/04/1987
	BRFT-19901105TO	Renewal	Granted 05/15/1991
	BRFT-19990326WC	Renewal	Granted 08/19/1999
	BRFT-20050531AEU	Renewal	Granted 10/28/2005
	BRFT-20130716AAA	Renewal	Granted 04/23/2014
	0000151285	Renewal	Granted 09/21/2021
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)