I ordered a bundle of ten 4.433619MHz xtals (for 1.2€).

Can you guess what they will be used for? 😉

Tip 1: it is related to #amateurRadio

Tip 2: it is related to an old very popular "thing" a lot of #ham (at least in Europe) owned in the 90's

#radio #hamradio #electronics

@f1sls I was thinking PAL first, but you could make custom zf filters out of it too