Publication: Magyar Közlöny
Issue: MK-2003-40 (Year: 2003, Number: 40)
Era: 1990-2004
Section: a 23/2003. (IV. 24.) GKM rendelethez*
Paragraph Index: 419

b) Limits of fundamental frequencies To ensure a wide variety of whistle characteristics, the fundamental frequency of a whistle shall be between the following limits: (i) 70—200 Hz, for a vessel 200 metres or more in length; (ii) 130—350 Hz, for a vessel 75 metres but less than 200 metres in length; (iii) 250—700 Hz, for a vessel less than 75 metres in length.

Source: https://magyarkozlony.hu/hivatalos-lapok/2e72167675ab9de53a766f2e8ff24eebb8b45c9c/dokumentumok/3fc892723f784b7239921e296e1ba2f32c28559e/letoltes