What 🬛 means
It forms one patch in a block picture.
Cells number left to right, top to bottom; 2 and 6 stay open. “Sextant” echoes “quadrant” and names six blocks in one character cell.
How did teletext use six-cell mosaics?
It turned character cells into simple pictures.
UK teletext broadcast text and block graphics to TVs from the early 1970s. A joint 1976 specification defined the 2×3 grid; cells could join or show narrow gaps.
The same pattern appears in the TRS-80 (1977) and Oric (1983) home-computer character sets.
Don't confuse it with
4Questions people ask
1Why does this character show as an empty box?
A missing-glyph fallback, not the design. A supporting font shows the six-cell pattern.
How to type 🬛
🬛\1FB1BCodes and encoding1 code points
A visible symbol can contain several code points. JS .length counts UTF-16 units; UTF-8 counts bytes.
