Hey, looks like you had a great day, great sess, nice one man,,, breaking twenty is a sweet achievement, well done
I don't know much lingo, to me, a delta is a shallow water weedy
yes, 5 by 10s, your best 5 runs for 10secs of length, averaged
Alpha, 250 mtrs, gype, 250mtrs back within 50m of starting point,
NM, naticle mile, about 1.8km of sailing
Your doing real well for ya second yr in
at that stage for myself I was learning lingo like catapult, nose dive, fin letting go, slide to rail catch, ect,,,,,,,,,good luck man