Vertical lines aid identification of midnight, UT. Strongest propagation is strongly centred around midday.
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| Impressive receiving antenna, a recycled ionospheric sounder, at TF4M. (C) TF4M |
Sunday 29 July 2018
TF4M Reference WSPR - quiet geomagnetic conditions.
Here is a reference WSPR spots record for quiet (Kp 1-2) geomagnetic conditions of signals from MW1CFN, heard by TF4M, within the auroral oval.
Vertical lines aid identification of midnight, UT. Strongest propagation is strongly centred around midday.
Vertical lines aid identification of midnight, UT. Strongest propagation is strongly centred around midday.
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