Adding speaker info for April 2026 (#220)

Author: kn6yuh

_includes/meeting-short.md

@@ -1,5 +1,5 @@
 ## Next club meeting
 * **Date**: `3 April 2026`
-* **Topic**: `TBA`
-* **Presenter**: `TBA`
+* **Topic**: `Understanding the End-Fed Half-Wave: Design, Configuration, and Performance`
+* **Presenter**: `Time Hale, K5OHY`
 

meetings/2026/202604.md

@@ -2,12 +2,14 @@
 
 * **Date**: `3 April 2026`
 * **Time**: `07:00 PM Pacific Time`
-* **Topic**: `To be announced`
-* **Presenter**: `To be announced`
+* **Topic**: `Understanding the End-Fed Half-Wave: Design, Configuration, and Performance`
+* **Presenter**: `Time Hale, K5OHY`
 {% include zoom-details.md %}
 
 ## Details
 
+**Tim Hale** is an amateur radio operator based in West Texas. He first got into amateur radio at age 13 and returned to the hobby in 2024 after many years away. Tim is active on CW and enjoys portable operating, particularly Parks on the Air, where he experiments with simple homebrew antennas.
+
 ## Presentation materials
 
 ## Raffle