diff --git a/rigs/kenwood/ic10.h b/rigs/kenwood/ic10.h
index 9e008e4c0..2ec4504a6 100644
--- a/rigs/kenwood/ic10.h
+++ b/rigs/kenwood/ic10.h
@@ -22,7 +22,7 @@
 #ifndef _IC10_H
 #define _IC10_H 1
 
-#define IC10_VER	"20200402"
+#define IC10_VER	"20200404"
 
 int ic10_cmd_trim (char *data, int data_len);
 int ic10_transaction (RIG *rig, const char *cmd, int cmd_len, char *data, int *data_len);
diff --git a/rigs/kenwood/ts950.c b/rigs/kenwood/ts950.c
index a6dd615e0..6716fa035 100644
--- a/rigs/kenwood/ts950.c
+++ b/rigs/kenwood/ts950.c
@@ -73,9 +73,9 @@ const struct rig_caps ts950s_caps =
     .serial_stop_bits =  2,
     .serial_parity =  RIG_PARITY_NONE,
     .serial_handshake =  RIG_HANDSHAKE_NONE,
-    .write_delay =  0,
+    .write_delay =  50,
     .post_write_delay =  0,
-    .timeout =  200,
+    .timeout =  500, // this rig takes over 250ms to respond an IF command
     .retry =  10,
 
     .has_get_func =  RIG_FUNC_NONE,
@@ -216,9 +216,9 @@ const struct rig_caps ts950sdx_caps =
     .serial_stop_bits =  2,
     .serial_parity =  RIG_PARITY_NONE,
     .serial_handshake =  RIG_HANDSHAKE_NONE,
-    .write_delay =  0,
+    .write_delay =  50,
     .post_write_delay =  0,
-    .timeout =  200,
+    .timeout =  500, // this rig takes over 250ms to respond an IF command
     .retry =  10,
 
     .has_get_func =  RIG_FUNC_NONE,