diff --git a/csdr/chain/analog.py b/csdr/chain/analog.py
index d35c6908..0f1b3a7c 100644
--- a/csdr/chain/analog.py
+++ b/csdr/chain/analog.py
@@ -1,6 +1,11 @@
-from csdr.chain.demodulator import BaseDemodulatorChain, FixedIfSampleRateChain, HdAudio, DeemphasisTauChain
-from pycsdr.modules import AmDemod, DcBlock, FmDemod, Limit, NfmDeemphasis, Agc, Afc, WfmDeemphasis, FractionalDecimator, RealPart
+from csdr.chain.demodulator import BaseDemodulatorChain, FixedIfSampleRateChain, HdAudio, \
+    DeemphasisTauChain, MetaProvider, RdsChain
+from pycsdr.modules import AmDemod, DcBlock, FmDemod, Limit, NfmDeemphasis, Agc, Afc, \
+    WfmDeemphasis, FractionalDecimator, RealPart, Writer, Buffer
 from pycsdr.types import Format, AgcProfile
+from csdr.chain.redsea import Redsea
+from typing import Optional
+from owrx.feature import FeatureDetector
 
 
 class Am(BaseDemodulatorChain):
@@ -38,18 +43,29 @@ class NFm(BaseDemodulatorChain):
         self.replace(2, NfmDeemphasis(sampleRate))
 
 
-class WFm(BaseDemodulatorChain, FixedIfSampleRateChain, DeemphasisTauChain, HdAudio):
-    def __init__(self, sampleRate: int, tau: float):
+class WFm(BaseDemodulatorChain, FixedIfSampleRateChain, DeemphasisTauChain, HdAudio, MetaProvider, RdsChain):
+    def __init__(self, sampleRate: int, tau: float, rdsRbds: bool):
         self.sampleRate = sampleRate
         self.tau = tau
+        self.rdsRbds = rdsRbds
+        self.limit = Limit()
+        # this buffer is used to tap into the raw audio stream for redsea RDS decoding
+        self.metaTapBuffer = Buffer(Format.FLOAT)
         workers = [
             FmDemod(),
-            Limit(),
+            self.limit,
             FractionalDecimator(Format.FLOAT, 200000.0 / self.sampleRate, prefilter=True),
             WfmDeemphasis(self.sampleRate, self.tau),
         ]
+        self.metaChain = None
+        self.metaWriter = None
         super().__init__(workers)
 
+    def _connect(self, w1, w2, buffer: Optional[Buffer] = None) -> None:
+        if w1 is self.limit:
+            buffer = self.metaTapBuffer
+        super()._connect(w1, w2, buffer)
+
     def getFixedIfSampleRate(self):
         return 200000
 
@@ -66,6 +82,30 @@ class WFm(BaseDemodulatorChain, FixedIfSampleRateChain, DeemphasisTauChain, HdAu
         self.replace(2, FractionalDecimator(Format.FLOAT, 200000.0 / self.sampleRate, prefilter=True))
         self.replace(3, WfmDeemphasis(self.sampleRate, self.tau))
 
+    def setMetaWriter(self, writer: Writer) -> None:
+        if not FeatureDetector().is_available("rds"):
+            return
+        if self.metaChain is None:
+            self.metaChain = Redsea(self.getFixedIfSampleRate(), self.rdsRbds)
+            self.metaChain.setReader(self.metaTapBuffer.getReader())
+        self.metaWriter = writer
+        self.metaChain.setWriter(self.metaWriter)
+
+    def stop(self):
+        super().stop()
+        if self.metaChain is not None:
+            self.metaChain.stop()
+            self.metaChain = None
+            self.metaWriter = None
+
+    def setRdsRbds(self, rdsRbds: bool) -> None:
+        self.rdsRbds = rdsRbds
+        if self.metaChain is not None:
+            self.metaChain.stop()
+            self.metaChain = Redsea(self.getFixedIfSampleRate(), self.rdsRbds)
+            self.metaChain.setReader(self.metaTapBuffer.getReader())
+            self.metaChain.setWriter(self.metaWriter)
+
 
 class Ssb(BaseDemodulatorChain):
     def __init__(self):
diff --git a/csdr/chain/redsea.py b/csdr/chain/redsea.py
new file mode 100644
index 00000000..3e625ef6
--- /dev/null
+++ b/csdr/chain/redsea.py
@@ -0,0 +1,14 @@
+from csdr.chain import Chain
+from pycsdr.modules import Convert
+from pycsdr.types import Format
+from csdr.module.toolbox import RedseaModule
+from csdr.module import JsonParser
+
+
+class Redsea(Chain):
+    def __init__(self, sampleRate: int, rbds: bool):
+        super().__init__([
+            Convert(Format.FLOAT, Format.SHORT),
+            RedseaModule(sampleRate, rbds),
+            JsonParser("WFM"),
+        ])
diff --git a/owrx/feature.py b/owrx/feature.py
index 1292b612..97248419 100644
--- a/owrx/feature.py
+++ b/owrx/feature.py
@@ -93,7 +93,7 @@ class FeatureDetector(object):
         "page": ["multimon"],
         "selcall": ["multimon"],
         "rds": ["redsea"],
-        "dab": ["csdreti", "dablin"]
+        "dab": ["csdreti", "dablin"],
         "png": ["imagemagick"],
     }
 
diff --git a/owrx/map.py b/owrx/map.py
index 03913958..81f28690 100644
--- a/owrx/map.py
+++ b/owrx/map.py
@@ -1,6 +1,7 @@
 from datetime import datetime, timedelta, timezone
 from owrx.config import Config
 from owrx.bands import Band
+from abc import abstractmethod, ABC, ABCMeta
 import threading
 import time
 import sys
diff --git a/owrx/markers.py b/owrx/markers.py
index f3a421e7..d4c9e3df 100644
--- a/owrx/markers.py
+++ b/owrx/markers.py
@@ -6,7 +6,7 @@ from owrx.aprs import getSymbolData
 from owrx.eibi import EIBI
 from owrx.repeaters import Repeaters
 from json import JSONEncoder
-from datetime import datetime
+from datetime import datetime, timedelta
 
 import urllib
 import threading
@@ -169,10 +169,13 @@ class Markers(object):
                 map.removeLocation(key)
                 del self.txmarkers[key]
 
+            # Create a timestamp far into the future, for permanent markers
+            permanent = datetime.utcnow() + timedelta(weeks=500)
+
             # Update station markers that have transmissions
             for key in tx.keys():
                 r = tx[key]
-                map.updateLocation(r.getId(), r, r.getMode(), permanent=True)
+                map.updateLocation(r.getId(), r, r.getMode(), permanent)
                 self.txmarkers[key] = r
 
             # Done with the schedule
@@ -197,7 +200,7 @@ class Markers(object):
                     # Update receiver markers that are online
                     for key in rx.keys():
                         r = rx[key]
-                        map.updateLocation(r.getId(), r, r.getMode(), permanent=True)
+                        map.updateLocation(r.getId(), r, r.getMode(), permanent)
                         self.rxmarkers[key] = r
                     # Done updating receivers
                     norx = None
@@ -242,7 +245,7 @@ class Markers(object):
     # Update given markers on the map
     def updateMap(self, markers):
         for r in markers.values():
-            Map.getSharedInstance().updateLocation(r.getId(), r, r.getMode(), permanent=True)
+            Map.getSharedInstance().updateLocation(r.getId(), r, r.getMode(), permanent)
 
     # Scrape online databases, updating cache file
     def updateCache(self):