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Re: LF: New version OPERA >> ''Opera Dynamic'' <<

To: <[email protected]>
Subject: Re: LF: New version OPERA >> ''Opera Dynamic'' <<
From: "Markus Vester" <[email protected]>
Date: Wed, 7 Jan 2015 22:14:03 +0100
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oh look - Opera has picked up Deep Search!
I'm a bit surprised, and also a bit amused...
73, Markus (DF6NM)

From: Graham
Sent: Wednesday, January 07, 2015 6:25 PM
Subject: Re: LF: New version OPERA >> ''Opera Dynamic'' <<

Some points Mike

200%F  is  a  bodge to get the  text  beacon via   the  server , not
showing  in my  latest  spot listing ?

 JA8SCD de SWL-JA8SCD/1 (): Op32 0 mi -41 dB in Tokyo with 0w +
16:29    136 JA8SCD de JA8SCD/1 Op32 Deep Search 0 mi -41 dB in Tokyo with
0w +

4 Min processing  delay  showing  in these  detection's

16:15    136 LA3EQ de G4WGT Op32 Deep Search 468 mi -43 dB in Chorley,
IO83qo, with 0.2w + Marconi-T
16:11    136 LA3EQ de G8HUH Op32 605 mi -34 dB F:15% in Somerset with 0.2w +

17:23    136 LA3EQ de GW0EZY Op32 Deep Search 541 mi -42 dB in Welshpool
IO82ho with 0.2w + Marconi-T
17:23    136 LA3EQ de 2E0ILY Op32 Deep Search 505 mi -42 dB in Shropshire
IO82qv with 0.2w + Marconi-T
17:19    136 LA3EQ de G8HUH Op32 605 mi -33 dB F:1% in Somerset with 0.2w +

>> Nothing  can be  100% ,   Dynamic   detections ,  will  show   1
>> minuet after  conventional OP8   and   4  minuets   after  a
>> conventional  OP32  decode , this  is due  to  data  processing  time
>> and  is a  fixed  off  set  , Time can be  used  as  a reality  check

There  are now  two  entirely  different  systems  packaged  in the  one
application ,  the  original Opera  data  mode , which is   capable  of
presenting  the  fade pattern  and  the  s/n ,  the  other  relies  on  call
matching  and  presents  s/n only  , hence  the  'odd' 200%F  , the  dynamic
search has been trailed  on  normal  'ham' kit and  provides an extension to
the  existing  system .

Before  any  variations  are  attempted ,  off  air  stats  are needed ,
there  was  close  to  100  instances  of  V155  in use  since  its  launch
,  with  only  1 error  that  would be   1% . Occurrences  will  be
statistically  related to  user  numbers

Where  it  is  unfortunate   'real'  calls  are  produced  , the  time
delay  presents a  simple , at a glance spot-check , the integrity of the
original  system has not  been  compromised, at the  moment  the list
has a  8 day  life , this  could be  reduced , but  with the  7 day
cycle ,  8  provides overlap


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