There is an aerial cable that comes to this splitter (from the left) that splits out two cables. The one powering my modem is the one that’s damaged.
I’ve been having internet issues during the day for the last few days (I live in the northeast US, so very cold right now if that’s relevant). It’s only during the day. Internet speed is VERY slow when it’s connected (<10mbps download, <1 upload) and it is constantly disconnecting. But at nights internet is normal with no interruptions (160mbsp download, 10 upload). I had a tech scheduled to come out to fix the cable today but the guy never showed up (I could do it on my own but don’t fully trust myself with it) but it seems weird it’s only happening during the day. Is this actually the issue?
The other cable from the splitter goes nowhere, so is not an option. This is a rented house so there’s only so much I can do.
Yes that is probably causing problems. If it’s not, it absolutely will in the future. Water will get in and damage the shield allowing interference in. When the water gets into the dielectric it causes issues with signal performance starting with the higher channels (skin effect). Your data channel is probably higher in the channel range so will be affected early on. Replace that cable or at least the part outside. Replace the splitter too just to be safe. The night day thing is probably connected to the sign level in general. When temps drop, signal level goes up slightly. It’s just easier for signals to pass in cold. You’re probably right on the edge because of the water effecting your signal so that slight fluctuation is making a difference for you. Could be that the water is freezing at night too but it’s all the same end result. Replace the cable. All that being said, you could have other issues but that is a great place to start.