| IRBE-1 from Latvia on Friday, April 10 434.276 MHz, USB, RTTY |
| Hi, Yes, it is old but still working good technique. It was used with good results in 2013 when HAB from SP was flying East with broken GPS. Few stations took measurements and tracking was working well. For several hours we knew where it was and what was its path. http://sp7pki.iq24.pl/default.asp?grupa=75798&temat=347026&nr_str=10 |