Hi there Marcy. I might be able to help you ID some of the signals you mentioned. Frequencies are pretty close to being true so I feel confident we have these right.First item was your "dasher" signal on 60 kHz. This has to be the big US time standard transmission from WWVB. I have enclosed a snap shot of that signal and I think it is your dasher. If you tune a little up and down you may hear two additional military signals, one from Iceland and one from russia. You can see them in my capture below.
drive.google.com/file/d/1QAegpTeyff0xS0N_3MLNEgCMtq-mIeJL/view?usp=sharing
Your next item was a signal at 64 kHz. I think this may be the powerful military French transmitter at 63.85 kHz. They send MSK digital data and use this to send encrypted data to their submarines ! Pretty cool ehhh? You may also see signals from France and russia just above and below 63.85 kHz.
drive.google.com/file/d/115qX5II0X3uIYvZXDPyJCfSiUHnEz48T/view?usp=sharing
Then your strong signal at 73 kHz is most likely the powerful Canadian military transmitter CFH located on 73.6 kHz. I have not ever seen them send data only a carrier. You can see it in my capture below. And if you look just a little higher up on 77.5 kHz you will find your last signal. That is the German time standard DCF77. I would say you did awesome getting these !!!!
drive.google.com/file/d/1TODAGqsrdMzvb__RbOgwv8sua5EZxhKQ/view?usp=sharing