diff --git a/ublox-rnx/Cargo.toml b/ublox-rnx/Cargo.toml
index a02735238..637eda359 100644
--- a/ublox-rnx/Cargo.toml
+++ b/ublox-rnx/Cargo.toml
@@ -16,6 +16,6 @@ chrono = "0.4"
 serde = "1.0"
 serde_json = "1.0"
 serialport = "4.2.0"
-ublox = "0.3.0"
+ublox = "0.4.4"
 rinex = { path = "../rinex", features = ["serde"] }
 clap = { version = "3.2.22", features = ["yaml"] }
diff --git a/ublox-rnx/src/main.rs b/ublox-rnx/src/main.rs
index b30ece8ef..6c4a2ff0f 100644
--- a/ublox-rnx/src/main.rs
+++ b/ublox-rnx/src/main.rs
@@ -12,7 +12,7 @@ use rinex::prelude::*;
 
 extern crate ublox;
 use ublox::*;
-//use ublox::{CfgPrtUart, UartPortId};
+use ublox::{CfgPrtUart, UartPortId};
 
 mod device;
 
@@ -34,7 +34,6 @@ pub fn main() -> Result<(), Box<dyn std::error::Error>> {
         .expect(&format!("failed to open serial port \"{}\"", port));
     let mut device = device::Device::new(port);
 
-    /* needs ublox crate update !!
     // Enable UBX protocol on all ports
     // so User can connect to all of them
     device.write_all(
@@ -52,7 +51,6 @@ pub fn main() -> Result<(), Box<dyn std::error::Error>> {
         .into_packet_bytes(),
     )?;
     device.wait_for_ack::<CfgPrtUart>().unwrap();
-    */
 
     /* NEED UBX CRATE UPDATE!!
     device.write_all(
@@ -93,12 +91,12 @@ pub fn main() -> Result<(), Box<dyn std::error::Error>> {
     ///////////////////////
     // Observation opmode
     ///////////////////////
-    // device
-    //     .write_all(
-    //         &CfgMsgAllPortsBuilder::set_rate_for::<NavSat>([0, 1, 0, 0, 0, 0]).into_packet_bytes(),
-    //     )
-    //     .unwrap();
-    // device.wait_for_ack::<CfgMsgAllPorts>().unwrap();
+    device
+        .write_all(
+            &CfgMsgAllPortsBuilder::set_rate_for::<NavSat>([0, 1, 0, 0, 0, 0]).into_packet_bytes(),
+        )
+        .unwrap();
+    device.wait_for_ack::<CfgMsgAllPorts>().unwrap();
 
     ///////////////////////
     // Navigation opmode
@@ -133,22 +131,22 @@ pub fn main() -> Result<(), Box<dyn std::error::Error>> {
         // main loop
         let _ = device.update(|packet| {
             match packet {
-                // PacketRef::NavSat(pkt) => {
-                //     for sv in pkt.svs() {
-                //         let _gnss_id = sv.gnss_id();
-                //         let _sv_id = sv.sv_id();
-                //         let _elev = sv.elev();
-                //         let _azim = sv.azim();
-                //         let _pr_res = sv.pr_res();
-                //         let _flags = sv.flags();
-                //         //if flags.sv_used() {
-                //         //}
-                //         //flags.health();
-                //         //flags.quality_ind();
-                //         //flags.differential_correction_available();
-                //         //flags.ephemeris_available();
-                //     }
-                // },
+                PacketRef::NavSat(pkt) => {
+                    for sv in pkt.svs() {
+                        let _gnss_id = sv.gnss_id();
+                        let _sv_id = sv.sv_id();
+                        let _elev = sv.elev();
+                        let _azim = sv.azim();
+                        let _pr_res = sv.pr_res();
+                        let _flags = sv.flags();
+                        //if flags.sv_used() {
+                        //}
+                        //flags.health();
+                        //flags.quality_ind();
+                        //flags.differential_correction_available();
+                        //flags.ephemeris_available();
+                    }
+                },
                 /* NEED UBX CRATE UPDATE !!
                 PacketRef::NavEoe(pkt) => {
                     // End of epoch notification