A reminder that the old Yahoo sub-9kHz group moved to groups.io .
See https://groups.io/g/sub9khz
If I miss items always check out https://groups.io/g/rsgb-lf-group/topics for sub-9kHz tests.
UPDATE MARCH 29th 2021
Some software you may find useful is at http://ham-radio.com/k6sti/coil.zip
The WSJT-X software has been released as V2.3. There is also a release candidate of V2.4 that introducing a new mode Q65.
See https://physics.princeton.edu/pulsar/k1jt/wsjtx.html
UPDATE JANUARY 25TH 2021
The latest release candidate for WSJT-X (rc3) is available at https://physics.princeton.edu/pulsar/k1jt/wsjtx.html.
There were earth-mode tests being conducted in Devon, UK last year, but these have probably stopped because of the pandemic and winter.