loudly simulate fox 40 whistle

الوصف

stormthe loudest whistle in the world

Best warning tools
Survival, protection, liaison, command, referee, pet training
Ultra-high audio, lightweight and portable
Origin: United States
Material: Plastic
Weight: *1 grams
Length: length 8 cm, 6 cm wide
EDC (Every Day Carry) can be used as a daily carry equipment or PSK (personal survival kits) Personal Survival (escape) equipment essential goods

 

Use on survival whistle rules:

Survival whistle is not necessarily in distress, with, for example, to determine probably every how far behind to the front to say hello to each other sound source is determined about which direction and so on and so on. . . . . However, there is a problem which is sometimes climbing just raise up blowing the whistle blowing more, we also did not feel anything, I hear someone blowing also do not want to blow the walk, then once who new ass twist the feet, or where they need help, or the middle pull too far encountered intersection do not know how to go and blow the whistle when no response is very anxious, because other people thought it did not happen, their own busy quietly pulled hard grind, there is not much effort to go to Dali the like wolf story.

Description of Symbols: short sound (second);long sound (more than 3 seconds); whistle within the instruction interval of 2 to 3 seconds, *0 seconds or more (such as instruction interval between repeat transmission instruction requires interval of *0 seconds or more )

Team communication (T):(one long tone) for voice communication links, in order to determine the azimuth of the whistle between representatives received the directive, issued after the whistle instruction is received (with the propaganda fed to  similar)

Collection (U):   (two short and a long collection (the same) to the direction of the whistle propagandacollection!  Similar)

The advancing (V): (short length) issued on behalf of the whole team in the rest of departure, traveling issued on behalf accelerate forward (with the propaganda Charge  similar)

Before the team is waiting for (W):(a short two long) wait after the team before for team travel istance is too long, (the same propaganda please similar)

Asked for support (S):  (short) need to seek help when difficulties issued, received signal reply to the communication tone (T) will go to support (the same propaganda hurry! Hurry! Anxious! Similar)

SOS (SOS): (three short of three long, three short) is the international SOS code