diff --git a/app/src/main/java/com/radiola/ui/components/StationCard.kt b/app/src/main/java/com/radiola/ui/components/StationCard.kt
index d8e3bda..90dc4e8 100644
--- a/app/src/main/java/com/radiola/ui/components/StationCard.kt
+++ b/app/src/main/java/com/radiola/ui/components/StationCard.kt
@@ -250,8 +250,9 @@ private fun PlayingGlow(
         ),
         label = "glowPulse"
     )
+    // Целые гармоники (1 и 2) → значения совпадают на t=0 и t=2π, петля бесшовна.
     val cx = 0.5f + 0.22f * kotlin.math.cos(t)
-    val cy = 0.5f + 0.22f * kotlin.math.sin(t * 1.3f)
+    val cy = 0.5f + 0.20f * kotlin.math.sin(2f * t)
     Box(
         modifier = modifier
             .scale(pulse)