Default [Q] WIFI degraded since Cynaogenmod 10.2

Well I have been having some issues with the new ROM. The most significant issue is the WIFI reception is very week. I tried a few things like rebooting the router and phone and double checking the settings. I finally decided to reflash the ROM. I download a the same ROM just to be sure nothing was corrupt and started from scratch. Everything went very smooth and I now feel more comfortable flashing ROMís as I have a much better understanding of the process.

Well after the new installation, everything appeared fine when I conducted speed tests. However as the night went on, the speeds got slower and slower. I am now less than 2mbps on the download. I know, it seems weird to me too. Check out the attached results.

This morning I only got 2.19 and 1.17.

Not sure where to start. I may have to resort to a new type of ROM

What should I do next?
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