Hi ... Who is the sawtooth signal at 13555.500? I�ve been receiving it every single day, always strong ... 20Hz freq shifts. There�s another signal at 13555.453 btw ... seems GA. I�ll switch to 13555.340 in some hours, QRSS 10, to try SAA again at 06:00 UTC ... 73 Marcus, PY3CRX/PY2PLL GG66rf http://py.qsl.br Active from "DC" to 24GHz