: Users in restricted regions frequently use tools like Zapret or Zapret-Manager to bypass Deep Packet Inspection (DPI) blocks that specifically target sxyprn.net.
# 1️⃣ Convert to GMT grid (optional) gmt surface depth.prn -R-70/-60/30/40 -I0.1m -Gbathymetry.nc psxyprn
Result: A Mercator map with circles sized by a constant radius but colored by magnitude. : Users in restricted regions frequently use tools