Mailing List Archive

ATSC 3.0 channel not found by MythTV channel scan
Channel 7 is now broadcasting ATSC 3.0 from Mount Sutro in San Francisco.

With "HDHomeRun Config" with an ATSC 3.0 tuner I can see 100% signal strength, 100% signal Quality, and 100% Symbol Quality

But a channel scan with MythTV does not find this station. It claims to time out without finding any channels.

HDHomeRun Config finds 6 subchannels (one of them encrypted), and the "View" button will play video (without sound).

The unencrypted channels are:

104.1 KRON-TV An independent station

102.1 KTVU-HD a FOX station

111.1 KNTV an NBC station

105.1 KPIX-TV a CBS station

107.1 KGO HD an ABC station


Is MythTV avoiding ATSC 3.0?

Even if it can't play sound for ATSC 3.0 yet, I'd rather it find the channels and let me manually disable them if they are not
usable yet.
Re: ATSC 3.0 channel not found by MythTV channel scan [ In reply to ]
On Fri, Apr 14, 2023 at 11:57:54AM -0700, Douglas Peale wrote:
> Channel 7 is now broadcasting ATSC 3.0 from Mount Sutro in San Francisco.
>
> With "HDHomeRun Config" with an ATSC 3.0 tuner I can see 100% signal strength, 100% signal Quality, and 100% Symbol Quality
>
> But a channel scan with MythTV does not find this station. It claims to time out without finding any channels.

You probably need to increase the tuning timeout quite a bit. The
ATSC 3 channels I receive in DFW take several seconds to tune whereas
the ATSC 1 channels usually take less than 1 second.

David
--
David Engel
david@istwok.net
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