This issue has been around. I experienced this once and now I have it again. I did nothing unusual, nothing was changed, no configuration, no file, I just turned server down and restarted computer - I did it many times before with no trouble. This time again: Modes limited to PSK250 downwards... NO500 set ### Server v. Pskmail_server 1.5.0. (C) 2011 PA0R 00:30 UTC Feb-20-2012: Program start 00:30 UTC Feb-20-2012: Connected to netherlands.aprs2.net port 1314 POS=35N:079W Outside BigEar geo area... BigEar serverport:10148 BigEar not available Scanning: 10148000,10148000,14111000,14111000,14111000, Offset = 0 minute(s) Pskmodes:PSK250,PSK250,PSK250,PSK250,PSK250, . 00:30 UTC Feb-20-2012: Listening to the radio initialized I: ParseMode: ARQ new modem set to PSK500R 00:31 UTC Feb-20-2012: Sending beacon Message_out: 00uKB2PNM:26 !3543.59NP07948.71W&D00B - 00:31 UTC Feb-20-2012: Send>APRS-IS:KB2PNM>PSKAPR:@200031z3543.59NP07948.71W&PSKmail 1.5.0 Server & BoatLink 10.148MHz & 14.111MHz I: ParseMode: ARQ new modem set to PSK500R Use of uninitialized value $textmodem in string eq at /usr/local/share/pskmail_server/arq.pm line 4572. Use of uninitialized value $textmodem in string eq at /usr/local/share/pskmail_server/arq.pm line 4572. Use of uninitialized value $textmodem in string eq at /usr/local/share/pskmail_server/arq.pm line 4572. Use of uninitialized value $textmodem in string eq at /usr/local/share/pskmail_server/arq.pm line 4572. Use of uninitialized value $textmodem in string eq at /usr/local/share/pskmail_server/arq.pm line 4572. Use of uninitialized value $textmodem in string eq at /usr/local/share/pskmail_server/arq.pm line 4572. Use of uninitialized value $textmodem in string eq at /usr/local/share/pskmail_server/arq.pm line 4572. Use of uninitialized value $textmodem in string eq at /usr/local/share/pskmail_server/arq.pm line 4572. Use of uninitialized value $textmodem in string eq at /usr/local/share/pskmail_server/arq.pm line 4572. Use of uninitialized value $textmodem in string eq at /usr/local/share/pskmail_server/arq.pm line 4572. Use of uninitialized value $textmodem in string eq at /usr/local/share/pskmail_server/arq.pm line 4572. Use of uninitialized value $textmodem in string eq at /usr/local/share/pskmail_server/arq.pm line 4572. Use of uninitialized value $textmodem in string eq at /usr/local/share/pskmail_server/arq.pm line 4572. Use of uninitialized value $textmodem in string eq at /usr/local/share/pskmail_server/arq.pm line 4572. Use of uninitialized value $textmodem in string eq at /usr/local/share/pskmail_server/arq.pm line 4572. Use of uninitialized value $textmodem in string eq at /usr/local/share/pskmail_server/arq.pm line 4572. Use of uninitialized value $textmodem in string eq at /usr/local/share/pskmail_server/arq.pm line 4572. Use of uninitialized value $textmodem in string eq at /usr/local/share/pskmail_server/arq.pm line 4572. Use of uninitialized value $textmodem in string eq at /usr/local/share/pskmail_server/arq.pm line 4572. Use of uninitialized value $textmodem in string eq at /usr/local/share/pskmail_server/arq.pm line 4572. Use of uninitialized value $textmodem in string eq at /usr/local/share/pskmail_server/arq.pm line 4572. Use of uninitialized value $textmodem in string eq at /usr/local/share/pskmail_server/arq.pm line 4572. Use of uninitialized value $textmodem in string eq at /usr/local/share/pskmail_server/arq.pm line 4572. Use of uninitialized value $textmodem in string eq at /usr/local/share/pskmail_server/arq.pm line 4572. 00:33 UTC Feb-20-2012: Sending beacon Message_out: 00uKB2PNM:26 !3543.59NP07948.71W&D00B - I: ParseMode: ARQ new modem set to PSK500R It is stuck in PSK500R, it transmits beacon in that mode and I have error after error on terminal , is there any permanent way to fix it?? I suspect that is a problem only on US side since we are limited to PSK250 and below. Why did it happened today? I have no clue..... Robert KB2PNM