500kHz HAM signals

IQ2MI (ARI MIlano Radioclub, first station in Italy on 600m band) on 501.309kHz QRSS3 mode, 1W ERP in JN45NL, QRB 364 km (19th Nov 2011 19:42 UTC). More info about IQ2MI: http://lnx.arimi.it/?page_id=788

Working condition: Yaesu FT857D + 10/15/20m dipole (ground/shield not connected) + SW Argo

IQ2MI (ARI MIlano Radioclub, first station in Italy on 600m band) on 501.309kHz QRSS3 mode, 1W ERP in JN45NL, QRB 364 km (19th Nov 2011 21:18 UTC). More info about IQ2MI: http://lnx.arimi.it/?page_id=788

Working condition: Yaesu FT857D + 13 turns 0.5x0.5m indoor loop + PRE as miniwip on 1 turn + SW Argo

Click here for others IQ2MI screen shot

DI2AM (experimental call of Joerg DL3NRV) on 505.180kHz QRSS3 in JO64BD with 9W ERP, QRB 952 km, S/N = 15/20dB (7th Dec 2011 22:36 UTC). More info about DI2AM: http://www.seefunk-fx-intern.de/radiobeacon/radiobeacon_en.htm

Working condition: Yaesu FT857D + 13 turns 0.5x0.5m indoor loop + PRE (as miniwip) on 1 turn + SW Spectran

Click here for others DI2AM screen shot

OK0EMW (experimental call of Lubomir OK2BVG) on 505.060kHz QRSS3 in JN88KS with 1W ERP, QRB 418 km, S/N = 20/25dB (7th Dec 2011 21:05 UTC). More info about OK0EMW: http://www.ok2bvg.cz/

Working condition: Yaesu FT857D + 13 turns 0.5x0.5m indoor loop + PRE (as miniwip) on 1 turn + SW Spectran

Note: during the "K" I changed the speed setting.

Click here for others OKEOMW screen shot

DI2AE (Experimental call of DM2AYO) on 505.100kHz QRSS3 in JO62TK with unknown ERP. QRB 755km, S/N = 10/15dB (10th Dec 2011 23:30 UTC).

Working condition: Yaesu FT857D + 13 turns 0.5x0.5m indoor loop + PRE (as miniwip) on 1 turn + SW Spectran

Click here for others DI2AE screen shot

EI0CF Finbar (10Hz below IQ2MI) on 501.290kHz QRSS6 in IO65IH with 2W ERP. QRB 1826km. S/N 10dB but deep QSB (17ht Dec 2011 22:10 - 22:17 UTC).

Working condition: Yaesu FT857D + 13 turns 0.5x0.5m indoor loop + PRE (as miniwip) on 1 turn + SW Spectran

My 0.5x0.5m indoor loop with QRM from Lego :D

PRE as miniwip adapter (the space in the middle of PCB is for some rejection and low pass filters tests)

More info about the miniwip: http://yu1lm.qrpradio.com/pa0rdt%20whip.pdf