[GreenKeys] 28V MITE Myth or Real ?

Mon Apr 24 14:05:43 EDT 2023

Thank you for the information Nick, I ran the kit as an NSN and FSN,
nothing available that I can find, that will be a tough one for sure.

Mark
K1HF

On Mon, Apr 24, 2023 at 1:20 PM Olaf Möller <dl8obh at t-online.de> wrote:

>
> Heating/Heater. Not all planes are fully air-conditioned.  ;-)
>
> Have Fun !!!
> Olaf  -  DL8OBH - AF0A
>
> Am 24.04.2023 um 19:12 schrieb Nick England:
> > Sources: NAVSHIPS 93434(A) and TM11-487A-3
> >   - doesn't mean they actually exist beyond prototypes but there was
> > indeed a DC motor and p/s nomenclature assigned.
> >
> > Option for the AN/TGC-14(V) MITE -
> > DC Power Supply Kit, MK-540/UG (DC Motor PD-85U is p/o MK-540/UG, 26 vdc)
> >
> > MK-540/UG POWER SUPPLY KIT, DC
> > To provide means of introducing primary DC power and signal
> > information into EQUIP, signal line power, necessary power for
> > converting neutral TTY signals into polar signals, and provides for
> > low temperature operation. It also provides motive power for TTY by
> > means of SER governed Motor, DC PD-85/U. Input power: 26 vdc. Output
> > power: Dual range line sensor is 28 vdc at 100 ma plus 6.0 vac at 450
> > ma; signal line power supply is 28 vdc at 100 ma. MK-540/UG is p/o TTY
> > Set AN/TGC-14(V) and others. It is u/w, but not p/o TTY TT-297/UG.
> > (USMC)
> >
> > The airborne version  -
> > TT-264/AG says - AC power: 110/220v, 400 cps, 3 ph; DC power: 28v, 9.5
> amps.
> > (Alternate power requirements can be met depending on how EQUIP is.
> ordered.)
> > (it is not clear to me that means either AC or DC - But if an AC motor
> > why would you need 9.5A at 28vdc? The specs for the AC versions say
> > 270W total)
> > However -  MIL-T-22143 only says 110v, 400 cps, 1 ph.
> >
> > https://www.navy-radio.com/manuals/tty/tty-index-93434A.pdf
> >
> > See also
> >
> https://www.google.com/books/edition/Electronic_Communication_Equipment/CqoAj6AxWxgC?hl=en&gbpv=1&dq=%22MK-540/UG%22&pg=PA599&printsec=frontcover
> >
> >
> > Nick England K4NYW
> > www.navy-radio.com
> >
> > On Mon, Apr 24, 2023 at 10:51 AM MilComm Guy <m38inmaine at gmail.com>
> wrote:
> >> Thank you for the replies, so far it looks like an export only or
> prototype.
> >>
> >> Mark
> >> K1HF
> >>
> >> On Mon, Apr 24, 2023 at 2:11 AM Mike McAuley <mmcauley at cox.net> wrote:
> >>> I'm watching this thread with interest.
> >>>
> >>> I have had my MITE set up mobile in an ex-mil Pinzgauer but have had
> to power it thru a very noisy inverter.
> >>>
> >>> I'd be very interested to hear what you learn about powering it
> directly from 28vdc batteries
> >>>
> >>>
> >>>
> >>> Mike
> >>>
> >>>
> >>> -------- Original message --------
> >>> From: MilComm Guy <m38inmaine at gmail.com>
> >>> Date: 4/20/23 11:20 PM (GMT-07:00)
> >>> To: Greenkeys <GreenKeys at mailman.qth.net>
> >>> Subject: [GreenKeys] 28V MITE Myth or Real ?
> >>>
> >>> I feel very lucky to have a working MITE and even more to have a
> 60cycle unit thanks to a GreenKeys lead.  My ultimate goal is to have it
> mated up to my PRC-47 and operating in the field, I still need to find the
> CV-2455 converter to complete the project, I'm currently running it from
> the GRC-106/MD-522 combination.
> >>>
> >>>    I have read(not official) on two occasions that there is a 28V
> version of the MITE, the manual states availability of two AC motors 60 or
> 400 cycle, it makes no mention of a DC version, the manual is dated 4/1966.
> >>>
> >>> I would like to ask if any one has actual hands on experience or
> documentation or pictures of a 28V MITE.  I also would like to thank all of
> you for making this list a great resource for all things Green Keys.
> >>>
> >>> 73
> >>> Mark
> >>> K1HF
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> >>>> Jordan Spencer Cunningham's GreenKeys Search Tool:
> https://teletype.net/gksearch
> >>>> 2002-to-present greenkeys archive:
> http://mailman.qth.net/pipermail/greenkeys/
> >>>> 1998-to-2001 greenkeys archive:
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> >>>> Randy Guttery's 2001-to-2009 GreenKeys Search Tool:
> http://comcents.com/tty/greenkeyssearch.html
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>
> >>> Jordan Spencer Cunningham's GreenKeys Search Tool:
> https://teletype.net/gksearch
> >>> 2002-to-present greenkeys archive:
> http://mailman.qth.net/pipermail/greenkeys/
> >>> 1998-to-2001 greenkeys archive:
> http://mailman.qth.net/archive/greenkeys/greenkeys.html
> >>> Randy Guttery's 2001-to-2009 GreenKeys Search Tool:
> http://comcents.com/tty/greenkeyssearch.html
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
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