[mythtv-users] homewrun firmware

Greg Oliver oliver.greg at gmail.com
Fri May 19 16:49:39 UTC 2023

On Thu, May 18, 2023 at 9:09 PM faginbagin <helen.buus at gmail.com> wrote:

> On 5/18/2023 7:19 PM, Gary Buhrmaster wrote:
> > On Thu, May 18, 2023 at 5:22 PM faginbagin <helen.buus at gmail.com> wrote:
> >
> >> One thing I've noticed with my latest HDHomeRun FLEX 4K, is that signal
> >> strength and symbol quality can drop by almost half every few months and
> >> just power cycling it restores SS and SQ. I don't recall having that
> >> problem with my older HDHR models.
> > Be sure you have a LTE filter (LTE interference
> > can result in really inconsistent results which
> > can also be transitory in nature).
> >
> > If you use the SD app (or equivalent) and
> > monitor the numbers, and see continuous
> > significant variations in SS/SQ there may
> > be obstructions the Fresnel zone which
> > need to be addressed.
> I'm not sure what happened to my tuner could be called transitory. As I
> recall,over a few days, recordings on one channel in particular had lots
> of errors, getting increasingly worse to the point of total failure (0
> byte recordings). When I used the HDHR config gui, I could see the SS/SQ
> numbers were way down, and when I compared a channel scan using:
> hdhomerun_config ${device} scan ${tuner} tuner${tuner}-scan.out
> to one done months earlier, I could see SS/SQ changes to other channels
> as well. So the problems persisted for at least 48 hours until I power
> cycled and SS/SQ were restored to the months earlier levels.  Not what
> I'd call transient. Or am I missing something?
> If it still sounds like LTE interference, what are your thoughts on
> brand names for LTE filters? I see channel master has one for $25 and
> Philips has one for < $10. Both are 5G LTE filters.

I have a Channel Master amplifier / splitter (cannot speak to an
interference reducer), but it is a top quality product - just speaking to
the manufacturer's quality.

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