tweek Radio.
(twiːk)
[Echoic.]
A type of whistler which is heard as a short, high-pitched chirruping noise.
| 1933 Burton & Boardman in Proc. IRE XXI. 1479 Two varieties of distinct musical atmospherics have been observed and given the onomatopœic names ‘swish’ and ‘tweek’. 1953 Phil. Trans. R. Soc. A. CCXLVI. 114 The ‘short whistler’, ‘tweek’, or ‘chink’..is the short (about 20 ms) musical tone produced by repeated reflexion between the earth and the ionosphere of the waves from a distant lightning flash. 1981 Jrnl. Atmospheric & Terrestrial Physics XLIII. 1271 The appearance of tweeks on whistler sonograms has been discussed in terms of VLF wave propagation through the land-sea and ionospheric waveguide. |