1ef1da7c0d
Draw a blue dashed polyline from the receiver to the clicked APRS station on popup open; remove it on popup close. CSS stroke-dashoffset animation creates a traveling-dash effect suggesting signal propagation. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com> Signed-off-by: Stan Grams <sjg@haxx.space>