diff --git a/opensource/ProcessGnssMeasScript.m b/opensource/ProcessGnssMeasScript.m
index 7928573..d0197c5 100644
--- a/opensource/ProcessGnssMeasScript.m
+++ b/opensource/ProcessGnssMeasScript.m
@@ -33,7 +33,6 @@ dbstop if error
 % dbstop in subRoutine at 17 if idx==7
 dbstatus
 
-param.llaTrueDegDegM = [];
 % get display screen file
 HW_ScrSize = get(0,'ScreenSize');%in pixels
 %% data
@@ -46,7 +45,7 @@ HW_ScrSize = get(0,'ScreenSize');%in pixels
 %param.llaTrueDegDegM = [];
 %enter true WGS84 lla, if you know it:
 %param.llaTrueDegDegM = [37.422578, -122.081678, -28];%Charleston Park Test Site
-param.llaTrueDegDegM = [45.5298979 -122.6619045 24.16] %trial
+param.llaTrueDegDegM = [45.5298979 -122.6619045 24.16] %trial coords
 %% Set the data filter and Read log file
 dataFilter = SetDataFilter;
 [gnssRaw,gnssAnalysis] = ReadGnssLogger(dirName,prFileName,dataFilter,param);
diff --git a/opensource/README.md b/opensource/README.md
index a8f56e7..1eec6ea 100644
--- a/opensource/README.md
+++ b/opensource/README.md
@@ -15,10 +15,8 @@ https://github.com/google/gps-measurement-tools
 
 # Initial setup:
 
-1. Extract the contents of the zip file to a directory, for example:
-
-        ~/gpstools/*
-2. Open and run ProcessGnssMeasScript.m, when prompted select `Change dir`
+1. Extract the contents of the zip file to a directory
+2. Open and run ProcessGnssMeasScript.m, when prompted by Matlab select `Change dir`
 
 ## To process a log file you collected from GnssLogger:
 
diff --git a/opensource/README.txt b/opensource/README.txt
deleted file mode 100644
index adbcdef..0000000
--- a/opensource/README.txt
+++ /dev/null
@@ -1,73 +0,0 @@
-The GNSS Measurement Tools code is provided for you to:
-   read data from GnssLogger App,
-   compute and visualize pseudoranges, 
-   compute weighted least squares position and velocity,
-   view and analyze carrier phase (if it is present in the log file).
-
-Initial setup:
-1) Extract the contents of the zip file to a directory, for example:
-    ~/gpstools/*
-    and include the directory '~/gpstools/opensource' in your matlab path:
-       addpath('~/gpstools/opensource'); 
-    (Note: the tilde '~' is a place holder, don't actually use it,
-     fill in the actual complete path)
-2) Edit ProcessGnssMeasScript.m to add the demoFiles directory, as follows:
-    dirName = '~/gpstools/opensource/demoFiles'
-    (again, replace tilde '~' with actual complete path)
-3) Run ProcessGnssMeasScript.m, it will run with pre-recorded log files.
-
-To process a log file you collected from GnssLogger:
-1) save the log file in a directory
-2) edit ProcessGpsMeasScript.m, specify the file name and directory path
-3) run ProcessGpsMeasScript.m
-
-The code includes a function (GetNasaHourlyEphemeris.m) to read ephemeris
-files from the NASA's archive of Space Geodesy Data, ftp://cddis.gsfc.nasa.gov
-It will automatically go to the ftp when you have a new log file.
-On some systems you need to use passive mode FTP; if this is required, see 
-The Mathworks site for how to do it.
-Or (simpler): get the appropriate ephemeris file 'by hand' from the Nasa ftp 
-site (GetNasaHourlyEphemeris.m will tell you the correct url and filename), 
-copy the file to the directory where your log file is, 
-and GetNasaHourlyEphemeris.m will read it from there.
-
-For a summary of the open source GNSS Measurements Tools,
-see  ~/gpstools/opensource/Contents.m
-or type 'help opensource' in matlab command window
-
---------------------------------------------------------------------------------
-Platform specific notes:
-
-For Windows: use '\' (backslash), instead of '/' for directories.
-
-For Mac: when installing MATLAB. 
-System Preferences --> Security & Privacy -->  
-Allow Apps to be downloaded from: Mac App Store and identified developers
-
-Uncompress/Unzip utility called from GetNasaHourlyEphemeris.m:
-The ephemeris on the Nasa ftp is Unix-compressed. GetNasaHourlyEphemeris will 
-automatically uncompress it, if you have the right uncompress function on your 
-computer. If you need to install an unzip utility, see http://www.gpzip.org
-Then search for 'uncompress' in the GetNasaHourlyEphemeris function to find and 
-edit the name of the unzip utility:
-  unzipCommand='uncompress';%edit if your platform uses something different 
-If you uncompress the file 'by hand' and rerun GetNasaHourlyEphemeris.m, it will
-read the uncompressed file.
-
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-
-% Copyright 2016 Google Inc.
-% 
-% Licensed under the Apache License, Version 2.0 (the "License");
-% you may not use this file except in compliance with the License.
-% You may obtain a copy of the License at
-% 
-%     http://www.apache.org/licenses/LICENSE-2.0
-% 
-% Unless required by applicable law or agreed to in writing, software
-% distributed under the License is distributed on an "AS IS" BASIS,
-% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-% See the License for the specific language governing permissions and
-% limitations under the License.
-
-