An open notebook

Sources & reading

Original explanations are linked to their references. Official technical documentation supports the foundations; Wikipedia offers further context. Publication dates and changing requirements still matter.

IMO · Radiocommunications ↗Sources reviewed / 13.09.2026
Wikipedia · GMDSS ↗Sources reviewed / 13.09.2026
IMO · Automatic Identification Systems ↗Sources reviewed / 13.09.2026
IMO · Voyage Data Recorders ↗Sources reviewed / 13.09.2026
IMO · Standard Marine Communication Phrases ↗Sources reviewed / 13.09.2026
IMO · Maritime cyber risk ↗Sources reviewed / 13.09.2026
ESA · Types of orbits ↗Sources reviewed / 13.09.2026
Cloudflare · Measuring network quality ↗Sources reviewed / 13.09.2026
NASA JPL · Astrodynamic parameters ↗Sources reviewed / 13.09.2026
Cloudflare Learning Center · Switches ↗Sources reviewed / 13.09.2026
Cloudflare Learning Center · Routers ↗Sources reviewed / 13.09.2026
Cloudflare Learning Center · DNS ↗Sources reviewed / 13.09.2026
Cloudflare Learning Center · Subnets ↗Sources reviewed / 13.09.2026
IETF · RFC 3021, /31 links ↗Sources reviewed / 13.09.2026
IETF · RFC 2131, DHCP ↗Sources reviewed / 13.09.2026
Cloudflare Learning Center · UDP ↗Sources reviewed / 13.09.2026
IETF · RFC 9000, QUIC ↗Sources reviewed / 13.09.2026
Cloudflare Learning Center · Latency ↗Sources reviewed / 13.09.2026
CISA · Protect data stored on devices ↗Sources reviewed / 13.09.2026
CISA · Passwords tip sheet ↗Sources reviewed / 13.09.2026
CISA · MFA tip sheet ↗Sources reviewed / 13.09.2026
Apple · Security of passkeys ↗Sources reviewed / 13.09.2026
CISA · Phishing awareness ↗Sources reviewed / 13.09.2026
CISA · StopRansomware guide ↗Sources reviewed / 13.09.2026
NIST · Cybersecurity Framework ↗Sources reviewed / 13.09.2026
Fluke · Ohm’s law ↗Sources reviewed / 13.09.2026
Wikipedia · Ohm’s law ↗Sources reviewed / 13.09.2026
Fluke · Electrical concepts ↗Sources reviewed / 13.09.2026
Fluke · Power factor ↗Sources reviewed / 13.09.2026
APC · UPS capacity and overload ↗Sources reviewed / 13.09.2026
Schneider Electric · Circuit-breaker coordination ↗Sources reviewed / 13.09.2026
Bender · Insulation monitoring ↗Sources reviewed / 13.09.2026
MCA · Code of Safe Working Practices 2026 ↗Sources reviewed / 13.09.2026
OpenAI · Study mode ↗Sources reviewed / 13.09.2026
OpenAI · Does ChatGPT tell the truth? ↗Sources reviewed / 13.09.2026
Apple · Creativity and coding in every subject ↗Sources reviewed / 13.09.2026
Apple · Education Community ↗Sources reviewed / 13.09.2026
Apple · Everyone Can Code curriculum guide ↗Sources reviewed / 13.09.2026
IES · Organizing instruction and study ↗Sources reviewed / 13.09.2026
Wikipedia · Verifiability ↗Sources reviewed / 13.09.2026
NASA · What is a light-year? ↗Sources reviewed / 13.09.2026
NASA JPL · Astronomical unit ↗Sources reviewed / 13.09.2026
NASA · Universe overview ↗Sources reviewed / 13.09.2026
NASA · Cosmic microwave background ↗Sources reviewed / 13.09.2026
Wikipedia · Cosmic microwave background ↗Sources reviewed / 13.09.2026
NASA · Stars ↗Sources reviewed / 13.09.2026
NASA · Black holes ↗Sources reviewed / 13.09.2026
NASA · Black holes and Schwarzschild radius ↗Sources reviewed / 13.09.2026
NASA · Moon phases ↗Sources reviewed / 13.09.2026
NASA · Spectroscopy 101 ↗Sources reviewed / 13.09.2026
NASA · Dark matter ↗Sources reviewed / 13.09.2026
Course notes · ThS. Nguyễn Duy Hiếu · An ninh mạng trên tàu biển cho thuyền viên ↗Sources reviewed / 13.09.2026
NIST SP 800-82 Rev.3 · Guide to Operational Technology Security ↗Sources reviewed / 13.09.2026
Course notes · Nguyễn Văn Thư · An ninh mạng và khả năng chống chịu an ninh mạng trên tàu biển ↗Sources reviewed / 13.09.2026
CISA · Managing Remote Access for Industrial Control Systems ↗Sources reviewed / 13.09.2026
IACS · Cyber resilience of ships and equipment ↗Sources reviewed / 13.09.2026
IACS · Revised E26 / E27 application date ↗Sources reviewed / 13.09.2026
Allianz Commercial · Risk Barometer 2026, pp. 4–5 ↗Sources reviewed / 13.09.2026