Low PWR on Downstream - I have to reconnect to services or reload websites often.

I have tried multiple computers and all the various troubleshooting items (direct to modem from computer, turn everything off and on, etc... etc...)

I noticed on the modem it has some T3 errors happening and there is a low PWR level on at least one channel.  

I have to constantly reconnect to services and with websites they seem to hang and I have to reload them to get them to load sometimes.  This is all new since trying to upgrade my service a couple weeks ago.  First tech said it was an infrastructure issue and another team needed to come out, they did come out and found some issues and said they fixed them.  I still had issues, another tech came out and said the line from the street to my house was "long" and the signal was a little low and another team would need to come out and see if they could increase the signal.  I never got any message that they came out to do that.