scale sonar readings correctly
diff --git a/frc971/queues/to_log.q b/frc971/queues/to_log.q
index a8bee3f..77e87e3 100644
--- a/frc971/queues/to_log.q
+++ b/frc971/queues/to_log.q
@@ -3,6 +3,6 @@
 struct CapeReading {
   uint32_t sec;
   uint32_t nsec;
-  uint32_t sonar;
   uint64_t struct_size;
+  double sonar;
 };