[time-nuts] LORAN C update

Steve steve-krull at cox.net
Fri Mar 2 16:36:37 UTC 2012


Graham,

If the preamp was powered from aircraft power rather than from the receiver coax it may be 24v.

Steve
WB0DBS


On Mar 2, 2012, at 9:05 AM, "Collins, Graham" <CollinG at navcanada.ca> wrote:

> 
> Paul,
> 
> That would be my guess too but these preamps are ex aircraft installations.
> 
> As to documentation, yes "real" documents are not easy to find but there is always the change that someone on this list has some first hand knowledge of these preamps.
> 
> Cheers, Graham ve3gtc
> 
> 
> 
> -----Original Message-----
> From: time-nuts-bounces at febo.com [mailto:time-nuts-bounces at febo.com] On Behalf Of paul swed
> Sent: March 2, 2012 09:54
> To: Discussion of precise time and frequency measurement
> Subject: Re: [time-nuts] LORAN C update
> 
> Graham can only speculate that they were 8-12V. Most LORAN antennas were.
> As fars as actual docs. Boy thats awful rare.
> Regards
> Paul
> 
> On Fri, Mar 2, 2012 at 9:50 AM, Collins, Graham <CollinG at navcanada.ca>wrote:
> 
>> 
>> On the subject of Loran C, I have a couple of Loran C antenna preamps
>> kicking around that I have not up to this point done anything with. This
>> talk of Loran C being "back on" has me thinking of the getting something
>> set up to try and receive these new signals.
>> 
>> What I have is one each of II Morrow Loran Preamp A-6 and an Arnav
>> 455-6021 T-1000.
>> 
>> Trouble is I don't have any documentation.
>> 
>> Can anyone point me where I might find some online documentation for
>> either or both of these devices?
>> 
>> I assume they require their power via the coax but couldn't guess as to
>> whether it's 5, 12, 24, or 48V.
>> 
>> Cheers, Graham ve3gtc
>> 
>> 
>> 
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