Hywel Foel ap Griffri ap Pwyll Wyddel

Hywel Foel ap Griffri ap Pwyll Wyddel (fl. c. 1240-1300) was a Welsh language court poet.

Hywel Foel’s only surviving work is an awdl which laments the capture and imprisonment of Owain ap Gruffudd at Dolbadarn Castle. The text of this awdl is preserved in the Hendregadredd manuscript and is noted for being one of the earliest direct references to Snowdonia (Welsh: Eryri) in Welsh poetry.

Bibliography

Rhian M. Andrews et al. (ed.), Gwaith Bleddyn Fardd a beirdd eraill ail hanner y drydedd ganrif ar ddeg (Aberystwyth, 1996)

gollark: If they were using some bizarre exotic encoding but not actually encrypting it it would still be *possible*, if *very hard*, to decode it without the actual docs.

gollark: Presumably the encoding pagers use is well-known/documented enough that someone implemented a software decoder.

gollark: That's an example of it, I guess? You turn... what is it again... 3 bits into 7 bits and can convert it back even if it's scrambled a bit.

gollark: I feed `multimon-ng` audio data from the `rtl_fm` program (which demoduldates FM from the RTL-SDR) and it decodes the POCSAG-whatever protocol(s) and outputs the text again.

gollark: "Encoding" is just converting the data into a different form in some way... in this case I guess the text on the pagers to POCSAG-something.

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