I did the mission before Portal Prototypes, in which I received a signal processor blueprint ( i think was the name) under atrifacts. It was the mission requiring complex parts. I found the blueprint on my list and 'used' it, and it brought up a text block that said it had been added to my ship. I do not see it anywhere on my ship however. Can you please help?

I don't think it would actually be on your ship, it would be in the list of Devices you can build.

I just looked over everything twice and I dont see it anywhere. Looked in every tab of buildables on my ship and planets. Any ideas?

You looked through the "Install New Devices" list? If it's not there then you'd need to report it through the application.

As with all blueprints, they unlock the ability to build the item in question, rather than add it directly on your ship. The Signal Processor is a special sensor and can be found in the list of modules that can be built from the 'Devices' tab. It will be near the bottom.

I restarted my browser and now it is on the list. TY guys for helping!