KASE Advanced

Hello I am IFATC Paul and I controlled KASE last hour i think on advanced. I wanna say sorry do you are reading this. I think your callsign was something with redwood and you did not get any response from me when calling inbound and then you went around. I am so sorry but you showed up on my radar as “unknown” and I could not respond anything. I am so sorry but it is how it is. I could not do anything.