diff --git a/frontend/src/utils/signatureParser.ts b/frontend/src/utils/signatureParser.ts
index c04bc45..8f85f08 100644
--- a/frontend/src/utils/signatureParser.ts
+++ b/frontend/src/utils/signatureParser.ts
@@ -1,5 +1,28 @@
 import { SigviewRecord as Signature } from "@/lib/pbtypes";
 
+const fourOutOfTen = [
+  "Angel Cartel Occupied Mining Colony",
+  "Mul-Zatah Monastery",
+  "Guristas Scout Outpost",
+  "Sansha's Nation Occupied Mining Colony",
+  "Serpentis Phi-Outpost",
+  "Drone Infested Mine",
+];
+const fiveOutOfTen = [
+  "Angel's Red Light District",
+  "Blood Raider Psychotropics Depot",
+  "Guristas Hallucinogen Supply Waypoint",
+  "Sansha's Nation Neural Paralytic Facility",
+  "Serpentis Corporation Hydroponics Site",
+  "Outgrowth Rogue Drone Hive",
+];
+function isFourOutOfTen(signature: string): boolean {
+  return fourOutOfTen.some((s) => signature.includes(s));
+}
+function isFiveOutOfTen(signature: string): boolean {
+  return fiveOutOfTen.some((s) => signature.includes(s));
+}
+
 export const parseSignature = (text: string): Omit<Signature, 'system' | 'id' | 'sysid'> | null => {
   const parts = text.split('\t');
   if (parts.length < 4) return null;
@@ -10,12 +33,23 @@ export const parseSignature = (text: string): Omit<Signature, 'system' | 'id' |
     return null;
   }
 
+  let note = "";
+  const isFour = isFourOutOfTen(parts[3]);
+  if (isFour) {
+    note = "4/10";
+  }
+  const isFive = isFiveOutOfTen(parts[3]);
+  if (isFive) {
+    note = "5/10";
+  }
+
   return {
     identifier: parts[0],
     type: parts[2],
     signame: parts[3],
     scanned: parts.length > 4 ? parts[4] : undefined,
-    dangerous: false // TODO: Implement dangerous signature detection
+    dangerous: false, // TODO: Implement dangerous signature detection
+    note: note,
   };
 };