did you try using the atsc initial tuning data?

$ head -n 20 /usr/share/dvb/atsc/us-ATSC-center-frequencies-8VSB # US ATSC center frequencies, use if in doubt A 57028615 8VSB A 63028615 8VSB A 69028615 8VSB A 79028615 8VSB A 85028615 8VSB A 177028615 8VSB A 183028615 8VSB A 189028615 8VSB A 195028615 8VSB A 201028615 8VSB A 207028615 8VSB A 213028615 8VSB A 473028615 8VSB A 479028615 8VSB A 485028615 8VSB A 491028615 8VSB A 497028615 8VSB A 503028615 8VSB 

How does it behave using vlc to tune?

vlc atsc://frequency=689028615 :dvb-adapter=0

Did you try using the atsc initial tuning data?

$ head -n 20 /usr/share/dvb/atsc/us-ATSC-center-frequencies-8VSB # US ATSC center frequencies, use if in doubt A 57028615 8VSB A 63028615 8VSB A 69028615 8VSB A 79028615 8VSB A 85028615 8VSB A 177028615 8VSB A 183028615 8VSB A 189028615 8VSB A 195028615 8VSB A 201028615 8VSB A 207028615 8VSB A 213028615 8VSB A 473028615 8VSB A 479028615 8VSB A 485028615 8VSB A 491028615 8VSB A 497028615 8VSB A 503028615 8VSB 

How does it behave using vlc to tune?

vlc atsc://frequency=689028615 :dvb-adapter=0