diff --git a/data.json b/data.json
index bad1d74..08ec0d5 100644
--- a/data.json
+++ b/data.json
@@ -4234,7 +4234,7 @@
   {
     "logon": "EDYY_HH_CTR",
     "frequency": "132.780",
-    "abbreviation": "HOLH",
+    "abbreviation": "HH",
     "description": "Maastricht Radar (Holstein High)",
     "schedule_show_booked": [
       "EDWW"
@@ -4244,7 +4244,7 @@
   {
     "logon": "EDYY_HL_CTR",
     "frequency": "120.860",
-    "abbreviation": "HOL",
+    "abbreviation": "HL",
     "description": "Maastricht Radar (Holstein Low)",
     "schedule_show_booked": [
       "EDWW"
@@ -4254,7 +4254,7 @@
   {
     "logon": "EDYY_JH_CTR",
     "frequency": "129.735",
-    "abbreviation": "JEVH",
+    "abbreviation": "JH",
     "description": "Maastricht Radar (Jever High)",
     "schedule_show_booked": [
       "EDWW"
@@ -4264,7 +4264,7 @@
   {
     "logon": "EDYY_JL_CTR",
     "frequency": "136.465",
-    "abbreviation": "JEV",
+    "abbreviation": "JL",
     "description": "Maastricht Radar (Jever Low)",
     "schedule_show_booked": [
       "EDWW"
diff --git a/edyy/ctr.json b/edyy/ctr.json
index d8c8b27..3c3972c 100644
--- a/edyy/ctr.json
+++ b/edyy/ctr.json
@@ -103,4 +103,4 @@
     ],
     "cpdlc_login": "EDSH"
   }
-]
+]
\ No newline at end of file
diff --git a/legacy/atc_station_mappings.json b/legacy/atc_station_mappings.json
index 7904479..77f363e 100644
--- a/legacy/atc_station_mappings.json
+++ b/legacy/atc_station_mappings.json
@@ -2260,22 +2260,22 @@
     "frequency": "133.955"
   },
   {
-    "id": "HOLH",
+    "id": "HH",
     "callsignPrefix": "EDYY",
     "frequency": "132.780"
   },
   {
-    "id": "HOL",
+    "id": "HL",
     "callsignPrefix": "EDYY",
     "frequency": "120.860"
   },
   {
-    "id": "JEVH",
+    "id": "JH",
     "callsignPrefix": "EDYY",
     "frequency": "129.735"
   },
   {
-    "id": "JEV",
+    "id": "JL",
     "callsignPrefix": "EDYY",
     "frequency": "136.465"
   },
diff --git a/topsky/TopSkyCPDLC.txt b/topsky/TopSkyCPDLC.txt
index ee9c42e..408fe1b 100644
--- a/topsky/TopSkyCPDLC.txt
+++ b/topsky/TopSkyCPDLC.txt
@@ -17,12 +17,12 @@ LOGIN:EDGP:LANGEN RADAR CTR:PADH
 LOGIN:EDGR:LANGEN RADAR CTR:RUD
 
 LOGIN:EDCH:MAASTRICHT RADAR CTR:CELH
-LOGIN:EDHH:MAASTRICHT RADAR CTR:HOLH
-LOGIN:EDJH:MAASTRICHT RADAR CTR:JEVH
+LOGIN:EDHH:MAASTRICHT RADAR CTR:HH
+LOGIN:EDJH:MAASTRICHT RADAR CTR:JH
 LOGIN:EDSH:MAASTRICHT RADAR CTR:SOLH
 LOGIN:EDYC:MAASTRICHT RADAR CTR:CEL
-LOGIN:EDYH:MAASTRICHT RADAR CTR:HOL
-LOGIN:EDYJ:MAASTRICHT RADAR CTR:JEV
+LOGIN:EDYH:MAASTRICHT RADAR CTR:HL
+LOGIN:EDYJ:MAASTRICHT RADAR CTR:JL
 LOGIN:EDYM:MAASTRICHT RADAR CTR:MNS
 LOGIN:EDYR:MAASTRICHT RADAR CTR:RHR
 LOGIN:EDYS:MAASTRICHT RADAR CTR:SOL