Thanks to the migration to new forum. All pre-migration links to posts and threads are broken. 
Also I have noticed that in thread TWEAKS, if anyone makes a new post, it does not show up in “Latest” or “New” 
Here are the updated links:
Start of Thread: TWEAKS
TWEAK #1: RANGE CIRCLES
TWEAK #2: REPLACING TWO-CLOCK MAP BY SKYVIEW MAP
TWEAK #3: Gain Optimization Scripts