diff --git a/src/decoders/trx-aprs/src/lib.rs b/src/decoders/trx-aprs/src/lib.rs
index 7cad161..03f7003 100644
--- a/src/decoders/trx-aprs/src/lib.rs
+++ b/src/decoders/trx-aprs/src/lib.rs
@@ -416,6 +416,7 @@ fn parse_aprs(ax25: &Ax25Frame) -> AprsPacket {
     }
 
     AprsPacket {
+        ts_ms: None,
         src_call,
         dest_call,
         path,
diff --git a/src/trx-client/trx-frontend/trx-frontend-http/assets/web/plugins/aprs.js b/src/trx-client/trx-frontend/trx-frontend-http/assets/web/plugins/aprs.js
index 77dcaba..999eec0 100644
--- a/src/trx-client/trx-frontend/trx-frontend-http/assets/web/plugins/aprs.js
+++ b/src/trx-client/trx-frontend/trx-frontend-http/assets/web/plugins/aprs.js
@@ -4,6 +4,7 @@ const aprsPacketsEl = document.getElementById("aprs-packets");
 const aprsFilterInput = document.getElementById("aprs-filter");
 const aprsBarOverlay = document.getElementById("aprs-bar-overlay");
 const APRS_MAX_PACKETS = 100;
+const APRS_BAR_WINDOW_MS = 60 * 60 * 1000;
 let aprsFilterText = "";
 let aprsPacketHistory = [];
 
@@ -105,7 +106,8 @@ function applyAprsFilterToAll() {
 function updateAprsBar() {
   if (!aprsBarOverlay) return;
   const isPkt = (document.getElementById("mode")?.value || "").toUpperCase() === "PKT";
-  const okFrames = aprsPacketHistory.filter((p) => p.crcOk);
+  const cutoffMs = Date.now() - APRS_BAR_WINDOW_MS;
+  const okFrames = aprsPacketHistory.filter((p) => p.crcOk && p._tsMs >= cutoffMs);
   if (!isPkt || okFrames.length === 0) {
     aprsBarOverlay.style.display = "none";
     return;
@@ -143,8 +145,9 @@ function addAprsPacket(pkt) {
   console.log(tag, `${pkt.srcCall}>${pkt.destCall}${pkt.path ? "," + pkt.path : ""}: ${pkt.info}`, pkt);
 
   // Stamp timestamp for persistence
-  pkt._ts = new Date().toLocaleTimeString([], { hour: "2-digit", minute: "2-digit", second: "2-digit" });
-  pkt._tsMs = Date.now();
+  const tsMs = Number.isFinite(pkt.ts_ms) ? Number(pkt.ts_ms) : Date.now();
+  pkt._tsMs = tsMs;
+  pkt._ts = new Date(tsMs).toLocaleTimeString([], { hour: "2-digit", minute: "2-digit", second: "2-digit" });
 
   aprsPacketHistory.unshift(pkt);
   if (aprsPacketHistory.length > APRS_MAX_PACKETS) aprsPacketHistory.length = APRS_MAX_PACKETS;
diff --git a/src/trx-client/trx-frontend/trx-frontend-http/src/audio.rs b/src/trx-client/trx-frontend/trx-frontend-http/src/audio.rs
index 93e490d..e5c2743 100644
--- a/src/trx-client/trx-frontend/trx-frontend-http/src/audio.rs
+++ b/src/trx-client/trx-frontend/trx-frontend-http/src/audio.rs
@@ -12,7 +12,7 @@
 use std::collections::VecDeque;
 use std::sync::atomic::Ordering;
 use std::sync::Arc;
-use std::time::{Duration, Instant};
+use std::time::{Duration, Instant, SystemTime, UNIX_EPOCH};
 
 use actix_web::{get, web, Error, HttpRequest, HttpResponse};
 use actix_ws::Message;
@@ -103,7 +103,14 @@ pub fn snapshot_aprs_history(context: &FrontendRuntimeContext) -> Vec<AprsPacket
         .lock()
         .expect("aprs history mutex poisoned");
     prune_aprs_history(&mut history);
-    history.iter().map(|(_, pkt)| pkt.clone()).collect()
+    history
+        .iter()
+        .map(|(ts, pkt)| {
+            let mut pkt = pkt.clone();
+            pkt.ts_ms = Some(timestamp_ms_for_elapsed(ts.elapsed()));
+            pkt
+        })
+        .collect()
 }
 
 pub fn snapshot_cw_history(context: &FrontendRuntimeContext) -> Vec<CwEvent> {
@@ -141,6 +148,17 @@ pub fn clear_aprs_history(context: &FrontendRuntimeContext) {
     history.clear();
 }
 
+fn timestamp_ms_for_elapsed(elapsed: Duration) -> i64 {
+    let wall_clock = SystemTime::now()
+        .checked_sub(elapsed)
+        .unwrap_or(UNIX_EPOCH);
+    let millis = wall_clock
+        .duration_since(UNIX_EPOCH)
+        .unwrap_or_default()
+        .as_millis();
+    i64::try_from(millis).unwrap_or(i64::MAX)
+}
+
 pub fn clear_cw_history(context: &FrontendRuntimeContext) {
     let mut history = context
         .cw_history
diff --git a/src/trx-core/src/decode.rs b/src/trx-core/src/decode.rs
index 30caa64..088af1e 100644
--- a/src/trx-core/src/decode.rs
+++ b/src/trx-core/src/decode.rs
@@ -22,6 +22,8 @@ pub enum DecodedMessage {
 
 #[derive(Debug, Clone, Serialize, Deserialize)]
 pub struct AprsPacket {
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub ts_ms: Option<i64>,
     pub src_call: String,
     pub dest_call: String,
     pub path: String,
diff --git a/src/trx-server/src/aprsfi.rs b/src/trx-server/src/aprsfi.rs
index 2dac952..5bd234d 100644
--- a/src/trx-server/src/aprsfi.rs
+++ b/src/trx-server/src/aprsfi.rs
@@ -250,6 +250,7 @@ mod tests {
 
     fn make_pkt(src: &str, dest: &str, path: &str, info: &str, crc_ok: bool) -> AprsPacket {
         AprsPacket {
+            ts_ms: None,
             src_call: src.to_string(),
             dest_call: dest.to_string(),
             path: path.to_string(),