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 Alexandria, VA, USA, Part 1

Recorded by: Bill Whitacre. Grid square of location recorded: FM18kt Maximum obscuration of the sun was 87% at 1920UT 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 1800 to 2040UT from Alexandria, VA, USA. They are part of a set of such recordings made from 1840UT on 7 April, 2024 to 0448UT on 9 April, 2024. Data Quality: Generally good, but there are bands of local electrical noise at times, and some weak spurious carriers. Data files are .wav format, but the archived files are .zip, with about four .wav files packaged together in each .zip file, using the prefix “BWhitacre-wideband_0_1925kHz_ “. As the total files recorded during the solar eclipse exceeded the Zenodo 50GB limit, the remainder of the dataset is found in “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 Alexandria, VA, USA, Part 2”. The recordings not included here or in Part 2 are available by contacting HamSCI at [e-mail], if you require this data. Antenna: 15 x 50' Superloop, pointing around 105 degrees, FLG100LN S/N is -017, terminated by a fixed resistance of 1125 ohms. (see enclosed "AntennaDetails-Superloop.pdf") Receiver: Perseus, using 0dB front end attenuation, with center frequency 1925kHz, recording a 2000kHz wide passband, using Jaguar Pro software. Hardware was not locked to a frequency standard; a Bodnar Mini Precision GPS Reference Clock outputting 1705kHz was used as reference for Jaguar. Recording computer time was set by Dimension 4. (time and date in recordings used UTC)