WWV and CHU Eclipse Frequency Measurement

Recordings of WWV (2.5 MHz, 5.0 MHz) and CHU (3.33 MHz) for the December 2021 Eclipse Festival of Frequency Measurement <strong>Name, Callsign:</strong> William Breidenthal, KE6XO<br> <strong>Latitude and Longitude:</strong> 40°03'33"N 105°12'32"W <br> <strong>Elevation:</strong> 1564 meters<br> <strong>Start time of the analysis:</strong> November 31, 2021 07:04:56 UTC<br> <strong>Stop time of the analysis:</strong> January 12, 2022 08:00:00 UTC<br> <strong>GPSDO:</strong> Yes <strong>Hardware Description:</strong> Antenna: MLA-30+ Magnetic Loop Antenna pointing direction: North/South Receiver Type: Ettus Research USRP2 with BasicRX Daughterboard Frequency reference type: GPSDO 10 MHz (Masterclock MCR1000) Frequency Measurement Technique: ccera-astro/wwv_doppler with GNU Radio <strong>Notes:</strong> Measurements recorded 70 km away from WWV in Boulder, CO. Some data is missing due to power outages. wwv_doppler was modified to add a 3rd channel to simultaneously record CHU.