[mythtv-users] USA OTA FCC frequency rescan?

[James Abernathy]

So my local OTA channels have started the warning about September 6 and 
doing a rescan to continue receiving their channels.

My backend is mythtv v30 with 2 tuner systems.  One is a PCIe card, the 
HAUPPAUGE WinTV-quadHD PCI Express TV Tuner Card 1609. The other is a 
SiliconDust HDHomerun Quatro.

I currently get my EPG from SchedulesDirect via 
tv_grab_zz_sdjson_sqlite. The Input Connections for both sets of tuners, 
i.e. 8-tuners, use the same Video Source which is the one setup to use 
tv_grab_zz_sdjson_sqlite.

Can someone point me to instructions or discussion on what to do in my 
case? I think the rescan is done externally to mythtv-setup using steps 
defined at https://www.mythtv.org/wiki/XMLTV for initial setup, but I 
remember that if not careful you can loose Recording rules and 
previously recorded metadata is some cases.

Has anyone worked out a way to do the rescan without messing things up??

Jim A