feat(GB): updates

src/GB/1.ts

@@ -99,7 +99,9 @@ const data: SpectrumBlock[] = [
       startFreq: 1959.7,
       endFreq: 1964.7,
     },
+    earfcns: [497],
     uarfcns: [10761],
+    details: ["Some LTE/NR deployments utilise a 20 MHz carrier"],
     sourceInfo: {
       type: "url",
       url: "https://www.ofcom.org.uk/__data/assets/pdf_file/0022/249133/SA-2100-LICENCE-EE-1268473-09-11-22.pdf",
@@ -115,9 +117,10 @@ const data: SpectrumBlock[] = [
       startFreq: 1964.7,
       endFreq: 1979.7,
     },
-    earfcns: [522],
+    earfcns: [497, 522],
     nrarfcns: [431810, 433250, 432530],
     details: [
+      "Some LTE/NR deployments utilise a 20 MHz carrier",
       "5G NR operating primarily as DSS n1, with some deployments as pure NR.",
       "Was used for B1 3G UMTS, but this has been refarmed to B1 LTE.",
     ],

src/GB/EARFCNs.ts

@@ -58,6 +58,12 @@ const B1: SimpleArfcnDataItem[] = [
     operator: "Vodafone",
     description: "Partial 3G refarm (UARFCNs 10736 and 10712)",
   },
+  {
+    arfcn: 497,
+    bandwidth: 20,
+    operator: "EE",
+    description: "Widened B1 deployment",
+  },
   {
     arfcn: 522,
     bandwidth: 15,

src/GB/NRARFCNs.ts

@@ -8,6 +8,12 @@ const n1: SimpleArfcnDataItem[] = [
     operator: "Three",
     description: "NR + LTE DSS deployment",
   },
+  {
+    arfcn: 431070,
+    bandwidth: 20,
+    operator: "EE",
+    description: "n1 widened (20 MHz) DSS deployment",
+  },
   {
     arfcn: 431810,
     bandwidth: 15,
@@ -65,6 +71,13 @@ const n3: SimpleArfcnDataItem[] = [
     operator: "EE",
     description: "non-DSS n3 trial",
   },
+  {
+    arfcn: 372490,
+    bandwidth: 20,
+    operator: "EE",
+    description:
+      "20 MHz n3 DSS (Belfast, Glasgow, Edinburgh, Liverpool, Manchester, Leeds, Sheffield, Birmingham, Cardiff, Bristol and London)",
+  },
 ];
 
 const n7: SimpleArfcnDataItem[] = [