[Milsurplus] Convoy VHF - TBS or TBY?

[w8au at sssnet.com]

At 06:47 AM 2/4/2013, David Stinson wrote:
>>Maybe the U-boats heard nothing at 2.5 MHz because the ships were using
>>the TBS?
>
>Navy escorts, according to the available prints, certainly had TBS.
>But the merchant ships were not equipped with such expensive toys. ET al....

Not to mention the big space requirements for the TBS.... a gargantuan piece
of heavy metal for just one channel.   50 watts?  who needed that 
much for convoy
comms?   If you could keep a TBY on channel, why not take the easy 
way out...:-)

Perry