[Milsurplus] Marine use of airborne radios

[AKLDGUY .]

Not sure whether this is relevant, but I think all British cars up to at
least
the 1960s had positive ground systems. The ones I owned certainly did.

Neil ZL1ANM

On 27/11/2017 11:23 AM, "Tom Brent" <navyradiocom at gmail.com> wrote:

I too found the "positive ground" notation curious but it is clearly stated
in the Bendix manual and for them to build a model of the MN-26
specifically for marine positive ground use indicates there were at least a
few such systems around.

To expand on Mike's list, I am aware of 11 models of the MN-26 and wouldn't
be surprised if there were more:

MN-26*A*, MN-26*C, *MN-26*CA*: 150-325  325-695  695-1500KHz

MN-26*J*, MN26*K*, MN-26*W*, MN-26*X*:  200-410  410-850  850-1750KHz

MN-26*L*, MN-26*LB*: 200-410  550-1200KHz   2.9-6.0MHz

MN-26*M*: 200-410  410-850KHz  3.4-7.0MHz

MN-26*Y*: 150-325  325-695KHz  3.4-7.0MHz

To overcome the shortcomings of manual manual direction finding Bendix came
out with the MN-31 loop control (1942?). It was a separate box that, when
coupled with a "standard" MN-26 receiver and a different loop antenna
(MN-36), azimuth indicator (MN-37) and control box (MN-28) would turn the
system into an automatic DF.

TB
._._.


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