Grid Locators: Letters and Digits to Longitude and Latitude, and the Distance Between Stations
This lesson is part of the course
In this lesson
You decode six-character grid locators into longitude and latitude with MID and a letter table instead of CODE, then compute the great-circle distance from the club with the haversine formula and ATAN.
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Lessons in this course
- Frequency and Wavelength: λ = c ÷ f, Half Waves and a Practice Channel Plan Locked
- Antenna Lengths: Half-Wave Dipoles, Quarter-Wave Verticals, End Effect and Trimming Locked
- SWR from the Load: Reflection Coefficient, ABS and the Meter Reading Backwards Locked
- Mismatch Loss: Reflected Power, Decibels with LOG10 and Watts Accepted Locked
- Feedline Loss: dB per 100 m from a Cable Table, Connectors and the Watts That Arrive Locked
- Power Budget: Watts to dBm, dBi vs dBd, Net Gain and Effective Radiated Power Locked
- Grid Locators: Letters and Digits to Longitude and Latitude, and the Distance Between Stations Locked
- Capstone: Logbook Statistics – Contacts per Band, Evening Openings, the Longest Contact and a Chart Locked