The range of a SSB transmission is MOST affected by().
- Aatmospheric noise and radiated power
- Bthe frequency band selected and time of day or night
- Cinterference and position of the moon
- Dradiated power and nearness to shore
The range of a SSB transmission is MOST affected by().
1、The transmission of messages respectin
The transmission of messages respecting the dangers specified is free()cost to the ships concerned.AofBonCatDi
2、Grammar is a description of the()of a
Grammar is a description of the()of a language and the way in which linguistic units such as words and phrases are combined to produce sentences in the language.
3、The(1)is a general description of the
The(1)is a general description of the architecture of a workflow management system used by the WFMC,in which the main components and the asso...
4、The transmission of a()indicates that
The transmission of a()indicates that a ship is in distress and requires immediate assistance.Aurgent trafficBdistress alertCroutine trafficDNAVTEX message
5、The transmission time duration of a si
The transmission time duration of a single pulse of radio-frequency energy is a function of the().ApersistenceBpulse repetition rateCpulse lengthDresolutio
6、The transmission system is the means (
The transmission system is the means ()the movement of the rudder is accomplished.Aby whichBto whichCin whichDat which