diff --git a/src/main/io/gps.c b/src/main/io/gps.c
index 0167cd587c..e8e63e500c 100644
--- a/src/main/io/gps.c
+++ b/src/main/io/gps.c
@@ -128,8 +128,11 @@ typedef struct ubloxSbas_s {
     uint8_t message[UBLOX_SBAS_MESSAGE_LENGTH];
 } ubloxSbas_t;
 
+
+
 // Note: these must be defined in the same order is sbasMode_e since no lookup table is used.
 static const ubloxSbas_t ubloxSbas[] = {
+    // NOTE this could be optimized to save a few bytes of flash space since the same prefix is used for each command.
     { SBAS_AUTO,  { 0xB5, 0x62, 0x06, 0x16, 0x08, 0x00, 0x03, 0x07, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x31, 0xE5}},
     { SBAS_EGNOS, { 0xB5, 0x62, 0x06, 0x16, 0x08, 0x00, 0x03, 0x07, 0x03, 0x00, 0x51, 0x08, 0x00, 0x00, 0x8A, 0x41}},
     { SBAS_WAAS,  { 0xB5, 0x62, 0x06, 0x16, 0x08, 0x00, 0x03, 0x07, 0x03, 0x00, 0x04, 0xE0, 0x04, 0x00, 0x19, 0x9D}},