Solar Eclipse 2017 recordings of medium-wave AM broadcast band from near Upsala, MN, U.S.A.

recorded by Mark Durenberger

location recorded:   45°49'38.98"N  94°37'47.97"W  

These data files are recordings of the entire medium wave broadcast band (535-1705kHz) from 16:57:22UT to 18:44:47UT from near Upsala, MN, U.S.A.   Data files are .wav format, but the archived files are .zip, with two .wav files packaged together in each .zip file.

Antenna:   1) from 16:57:22UTC until 17:53:05UTC:  broadband delta loop antenna, 22-foot apex with a 40-foot base, oriented 260-80 degrees until 17:29UTC, then oriented to 210-30 degrees;  using Wellbrook (https://www.wellbrook.uk.com/loopantennas/) ALA100 preamplifier

2)from  17:53:56UT until 18:44:47UT:     DKaz antenna (described at http://www.durenberger.com/documents/DKAZ070314.pdf), using DXEngineering RPA-1 preamplifier between antenna and receiver (https://www.dxengineering.com/parts/dxe-rpa-1), oriented 150-330 degrees

Receiver:  Microtelecom Perseus SDR (http://microtelecom.it/perseus/) with 10dB front end attenuation, center frequency set at 925kHz, recording 1600kHz wide passband, using Perseus software (http://microtelecom.it/perseus/software.html)