Recently, there are several users who have found that some television channels, those of Televisión Española, and specifically, La 1, La 2 and Clan, are not displayed correctly. Well, the problem, in reality, is not with the television or the antenna of your building, it is with Chromecast.
La 1, La 2 and Clan
If you have reached this post because almost all the networks are good on your television, except La 1, La 2 or Clan, I think we have located the problem you have, basically because you are not the only user who is experiencing this. There are already several users who are encountering problems with their televisions when trying to watch the Spanish television channels. Although it is possible to perform the tuning of these chains, the visualization is not good, as there are interferences. These interferences are usually typical of poor reception of the antenna located in the building. However, as it is a problem with only some chains, the cause of this problem is not easily located.
But in this case, we already have it. Blame it on Chromecast. Or some other similar device that you may have connected to your television and that has some type of wireless connectivity. Chromecast, in this case, is connected to our television normally both by HDMI and by USB. However, it also has WiFi to connect to the home wireless network. And somehow, it generates interferences in the tuner of our television, the result of which is that the Spanish television channels are not well visualized. So, if you can't see La 1, La 2 or Clan either, don't call your antenista. Disconnect Chromecast (or some other device that has WiFi that you have connected to the television) and you will be able to see La 1, La 2 or Clan without problems.