[Milsurplus] Mil HF rigs not NTIA compliant

[Dick]

The 1 PPM spec allows for the unusually rough environmental conditions under
which a lot of MIL radios are used.  It also allows retention and use of
older and still serviceable equipment.

73,

Dick W1NMZ
----- Original Message ----- 
From: <w8au at sssnet.com>
To: <Milsurplus at mailman.qth.net>
Sent: 13 September, 2004 18:46
Subject: Re: [Milsurplus] Mil HF rigs not NTIA compliant


> At 05:16 PM 09/13/2004, Peter Gottlieb wrote:
> >Does anybody know why most military rigs are spec'd at 1 PPM frequency
> >accuracy while NTIA compliance requires 0.66 PPM ?
> >I would like to use mil surplus (and very rugged and reliable) equipment
> >for CAP etc. but am prohibited due to this non-compliance.
> >
> >Side note:  I have yet to find a rig that wasn't significantly better
than
> >that 1 PPM spec, but nevertheless, NTIA compliance is based on radio
> >specs, not performance.
>
> Peter:
> Are you required to provide photographic evidence that you are using an
> NTIA approved rig?
> I don't think so.
> The NTIA rules are to handle the most "unskilled" operators of radios who
> know nothing of
> how to tune a radio other than set the digits on the LCD display.
>
> Those that know what they are doing will always be "on frequency"
> regardless of the accuracy of
> their time base oscillators, and they will undoubtedly make sure they stay
> on freq.
> So who can tell who is using what?
>
> On MIL and MARS channels, and probably others, there is more concern on
> staying within the
> frequency tolerance limits than on what equipment is being used.   This is
> why MARS is not
> a signatory on the NTIA rules.
>
> NTIA specs are undoubtedly a good thing, but do discriminate against
> technologically competent
> folks, putting them in the same category as "appliance operators."
>
> This is just opinion on my part, but to use the thesis advanced by the old
> Country-Western
> hit, "Behind Closed Doors," (what goes on behind......)  I would say just
> use your best
> judgement.  :-)
>
> Have fun!
>
> Perry          w8au