documentation update

Co-authored-by: Cursor <cursoragent@cursor.com>

Author: matthewsmawfield

site/public/sitemap.xml

@@ -5,15 +5,14 @@
         http://www.sitemaps.org/schemas/sitemap/0.9/sitemap.xsd">
     <url>
         <loc>https://matthewsmawfield.github.io/TEP-GNSS-RINEX/</loc>
-        <lastmod>2025-12-19</lastmod>
+        <lastmod>2026-05-19</lastmod>
         <changefreq>weekly</changefreq>
         <priority>1.0</priority>
     </url>
     <url>
-        <loc>https://matthewsmawfield.github.io/TEP-GNSS-RINEX/public/docs/Smawfield_2025_GlobalTimeEchoes_Rinex_v0.3_Kathmandu.pdf</loc>
-        <lastmod>2025-12-19</lastmod>
-        <changefreq>weekly</changefreq>
+        <loc>https://matthewsmawfield.github.io/TEP-GNSS-RINEX/public/docs/3-TEP-GNSS-RINEX-v0.5-Kathmandu.pdf</loc>
+        <lastmod>2026-05-19</lastmod>
+        <changefreq>monthly</changefreq>
         <priority>0.8</priority>
     </url>
-    <!-- Add more URLs here as you create additional pages -->
 </urlset>