I am not sure I understand, it doesn't seem to be the first transatlantic contact made at a frequency above 30Mhz. (e.g.[1]) So what makes this historical? Tha

I am not sure I understand, it doesn't seem to be the first transatlantic contact made at a frequency above 30Mhz. (e.g.[1]) So what makes this historical? That it was never done at a frequency as high as 432 Mhz? [1] https://ei7gl.blogspot.com/2019/06/historic-trans-atlantic-contact-made-on.html https://ei7gl.blogspot.com/2019/06/historic-trans-atlantic-c...