Filing an NCE translator when the window opens Nov. 4? Nexus Broadcast takes clients through Fri., Oct. 23, paid and cleared. Spots are limited and go in order of payment.

Talk to Nexus →

FM translator

K280CS 103.9 FM

Mammoth Hot Springs, WY · Mammoth Community TV & FM Assoc.

StatusLicensedSince 1999-08-19
ServiceFM translator
Community of licenseMammoth Hot Springs, WY
LicenseeMammoth Community TV & FM Assoc.As named on the filing below
Facility ID39763 FCC record
Call sign since1999-03-16

Licensed facilities

Frequency103.9 MHz (channel 280)
ClassD
ERP0.044 kW horizontal, 0 kW vertical
HAAT306.0 m
Radiation center2,610.0 m AMSL
Coordinates (NAD83)44° 55′ 55.70″ N 110° 42′ 22.70″ W44.932139, -110.706306
AntennaSCA HDCA-10Nondirectional
File numberBLFT-19861110TJ LMSFiled 1986-11-10

Follow K280CS

Get an email the morning after the FCC acts on any of its applications, free.

Alert me about K280CSAll its FCC actions

Tools for this site

Site profileHAAT and classFAA notice check

From the FCC's LMS public database as of 2026-10-16, updated every morning. Not a product of the FCC.