[time-nuts] information about the Austron Synchronous Filter 2090A
kb8tq at n1k.org
Sun Feb 5 11:20:14 EST 2017
Best guess - it was intended for use in close proximity to a Loran chain transmit
site. The Austron Loran receivers only had about a 100 db dynamic range. If you
needed to operate close to a transmitter … that’s not enough.
> On Feb 5, 2017, at 3:20 AM, Ruslan Nabioullin <rnabioullin at gmail.com> wrote:
> On 02/05/2017 02:58 AM, Poul-Henning Kamp wrote:
>> I belive [sic] the idea is that if you have two Loran-C receivers
>> tracking two different GRIs, the 2090A can blank out the strongest
>> stations [sic] pulses for the weaker chains [sic] receiver.
> So it functions sort of as a preselector, one whose universe of
> discourse is LORAN-C, for improved reception performance of the receiver
> tracking the weaker GRI?
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