[Boatanchors] Radio transmitter ranges

[eldim at att.net]

Helllo All,
Since, it is a Army TM, and everything Signal Corps, I'm certain we are talking land miles (1.6 km= 1 mi.) since communication is done mainly on tera firma.  Now, if it were a NAV SEAS Manual, I suggest we get an input from a NAVY EM.  

73,
Glen Galati, KA7BOJ
Tacoma, WA
eldim at att.net

-------------- Original message from fkamp at comcast.net: -------------- 


> 
> 
> William L Howard wrote: 
> > 
> > I was asked by an overseas contact about US Army TMs use of the term 
> > mile for a radios range He asks " I mean, Is TM indication of "mile" 
> > based on "land mile" or "sea mile" ???? 
> > One land mile is around 1.6Km. and One sea mile is around 1.8Km." 
> > 
> > I would assume that means land mile but admit I could be wrong. Do any 
> > of you know for certain which range is used? 
> > 
> 
> I think that TM is an unrealistic term. Range 
> varies with conditions, terrain and a multitude of 
> other factors. You would not expect a signal to 
> completely dissappear suddenly if TM is exceeded. 
> So if it is land mile or sea mile does not seem to 
> be a difference worth noting. 
> 
> Regards, 
> Frank Kamp 
> K5DKZ 
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