Most amateurs work at visible wavelengths, but a small minority experiment with wavelengths outside the visible spectrum.
Iyad dak imarhan tašaɣalnen dǎɣ tizigrit ən onde itawanhayan, mašan iyan andiran akiruma isanan dər tizigriten ən onde dǎɣ agama ən sɗeətre aytawanhayan.