W0RW is on 473 kHz sending CW today, 17 Sept. 2019, 1230 MDT. Looking for Ground Wave Q's. If you have a rig give me a call or send Long Wave Listener reports to W0RW. QRT at 1400 MDT. If you want more 630 Meters info go to: <http://njdtechnologies.net/>. Or see CQ magazine, Feb. 2017. 73 Paul w0rw COS