Effects of the April 8, 2024 total solar eclipse upon reception of North American signals in the medium-wave broadcast band, using software defined radio files recorded in Austin, TX, USA
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Recorded by: Mark Whittington, AG5RT Grid square of location recorded: EM10DK Maximum obscuration of the sun was 100% at 1837UT on 8 April 2024. These data files are recordings of the entire medium wave broadcast band (535-1705kHz) made during the total solar eclipse of 8 April 2024 from 1701 to 1920UT from Austin, TX, USA. They are part of a set of such recordings made from 1700UT on 7 April, 2024 to 2030UT on 8 April, 2024. Data Quality: Generally good, but there are some spurious carriers. During the eclipse period, there were thunderstorm static crashes heard. Data files are .wav format, but the archived files are .zip, with about three .wav files packaged together in each .zip file, using the prefix “AG5RT-wideband_500_1750kHz_ “. The recordings not included here are available by contacting HamSCI at am-eclipse@hamsci.org, if you require this data. Antenna: NE-SW milk crate loop and preamplifier, described in the enclosed "AG5RT Antenna Discussion.pdf" Receiver: SDRplay RSPdx , RF gain set at 29.6dB, with center frequency 1125kHz, recording a 1250kHz wide passband, using SDRuno software. Hardware was not locked to a frequency standard. Recording computer time was set by Meinberg NTP (time and date in recordings used UTC).
