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-rw-r--r--contrib/ntp/include/ntp.h7
1 files changed, 5 insertions, 2 deletions
diff --git a/contrib/ntp/include/ntp.h b/contrib/ntp/include/ntp.h
index 5881df1..5708b7c 100644
--- a/contrib/ntp/include/ntp.h
+++ b/contrib/ntp/include/ntp.h
@@ -458,8 +458,11 @@ struct peer {
#define REFCLK_HOPF_SERIAL 38 /* hopf DCF77/GPS serial line receiver */
#define REFCLK_HOPF_PCI 39 /* hopf DCF77/GPS PCI receiver */
#define REFCLK_JJY 40 /* JJY receiver */
-#define REFCLK_ZYFER 41 /* Zyfer GPStarplus receiver */
-#define REFCLK_MAX 41 /* Grow as needed... */
+#define REFCLK_TT560 41 /* TrueTime 560 IRIG-B decoder */
+#define REFCLK_ZYFER 42 /* Zyfer GPStarplus receiver */
+#define REFCLK_RIPENCC 43 /* RIPE NCC Trimble driver */
+#define REFCLK_NEOCLOCK4X 44 /* NeoClock4X DCF77 or TDF receiver */
+#define REFCLK_MAX 44 /* Grow as needed... */
/*
* We tell reference clocks from real peers by giving the reference
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