[Milsurplus] Japanese Aircraft Communications

[Hubert Miller]

Maybe their receivers were just unstable in the aircraft environment. I
would have to guess that would be the case. Mechanically not robust 
receivers. The transmitters all were crystal controlled.
Their later war ( maybe 1943, 1944 on ) radios tended to go to 30-50 MHz
band. I think, based on what i have seen of government pubs
listing the equipment. I would expect that gear, which was crystal
controlled both ways, would have been more effective, but they also
had big supply problems then also. 
I am gradually going thru a book now, "Beyond Pearl Harbor", memoirs of
Japanese Naval Air Force veterans. One of them said Japan depended
much more on CW than voice, and i think he said that Japanese AM was not
well developed. I have one example where the AM seems to be an
afterthought; suppressor modulation via one tube. Seemed to me kind of
minimal in a 100 watt CW transmitter. 
In 5 Japanese tunable aircraft receivers i have seen, none have the robust
tuning mechanism that i see in the SCR-274, ARA, or ARC-5 equipment.
-H 
____________________________________________________________________
>On 22 Sep 2016 at 0:24, Hubert Miller wrote:

> 
>     I realize that no one here besides myself is actually interested in
the topic, 
>     "Japanese aircraft communications",

You are SOOOOO wrong....

What I want to know is why were some of their aircraft com units so bad that
Zero pilots removed them to save weight?

What were those?

Ken W7EKB