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Re: LF: JT9-5 decodes in km07ks

from [Rik Strobbe] [Permanent Link][Original]
To: "[email protected]" <[email protected]>
Subject: Re: LF: JT9-5 decodes in km07ks
From: Rik Strobbe <[email protected]>
Date: Sat, 29 Dec 2018 09:47:53 +0000
Accept-language: nl-BE, en-GB, en-US
In-reply-to: <[email protected]>
References: <[email protected]>,<[email protected]>
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Thread-index: AQHUn1oD6Rcx4hHVo0+8PHMuvIp9f6WVdypa
Thread-topic: LF: JT9-5 decodes in km07ks

Hello Markus,


nice copy on N1BUG, this might be a new distance record for Paul.


Thanks for your help with the JT9-2 and JT9-5 resampling.

Lifting the frequency restriction on TX is "peanuts", but on RX I would need to implement frequency conversion in SpecLab style.

I will have a look to that (maybe I should ask Wolf for advice).


73, Rik  ON7YD - OR7T



Van: [email protected] <[email protected]> namens Markus Vester <[email protected]>
Verzonden: zaterdag 29 december 2018 10:28
Aan: [email protected]
Onderwerp: Re: LF: JT9-5 decodes in km07ks
 
Thanks to Rik for the software, and to Spiros and Dionysios for their reports. This is what I picked up using JT9-2

18-12-28 21:38 2038 -25  0.1  648 2  CQ SV8CS KM07        
18-12-28 21:40 2040 -25  0.1 1200 2  LA3EQ JO28XJ         
18-12-28 21:42 2042 -26  0.1  648 2  CQ SV8CS KM07        
18-12-28 21:44 2044 -26  0.2 1200 2  LA3EQ JO28XJ         
18-12-28 21:48 2048 -25  0.1 1250 2  LA3EQ JO28XJ         
18-12-28 21:52 2052 -25  0.2 1250 2  LA3EQ JO28XJ         
18-12-28 21:56 2056 -25  0.2 1250 2  LA3EQ JO28XJ         
18-12-28 22:00 2100 -28  0.3 1250 2  LA3EQ JO28XJ         

and later JT9-5:

18-12-29 02:30 0130 -34 -0.7  615 5  VVV N1BUG 5          
18-12-29 02:40 0140 -34 -0.6  615 5  VVV N1BUG 5          
18-12-29 03:30 0230 -35 -0.6  615 5  VVV N1BUG 5          

As my LF transceiver needs to be parked on 135.5 kHz I am always struggling with audio frequency restrictions in WSJT, WSPR and JT-9 software. My workaround are frequency conversions in two separate SpecLab instances for RX and TX, connected to the left and right channels of a single VB-Audio virtual cable instance. However there is a noticable latency in this process.

Best 73,
Markus (DF6NM)


-----Ursprüngliche Mitteilung-----
Von: Dionysios Vlachiotis <[email protected]>
An: rsgb_lf_group <[email protected]>; rsgb_lf_group <[email protected]>
Verschickt: Sa, 29. Dez 2018 8:39
Betreff: LF: JT9-5 decodes in km07ks

245 -28 -0.4  650 5  CQ DF6NM JN59        
2255 -27 -0.4  650 5  CQ DF6NM JN59        
2315 -27 -0.5  650 5  CQ DF6NM JN59        
2325 -24 -0.3  650 5  CQ DF6NM JN59        
0035 -23 -0.2  650 5  CQ DF6NM JN59        
0045 -21 -0.3  650 5  CQ DF6NM JN59     
 
73 de SV8RV
Zakynthos isl. GREECE (km07ks)

-----Ursprüngliche Mitteilung-----
Von: SV8CS-Spiros Chimarios <[email protected]>
An: rsgb_lf_group <[email protected]>
Verschickt: Sa, 29. Dez 2018 5:56
Betreff: LF: SV8CS SlowJT9

Good morning.
Decoded only DF6NM during the night (JT9-5) – 136 KHz.
 
2245 -30 -0.4  650 5  CQ DF6NM JN59        
2255 -29 -0.4  650 5  CQ DF6NM JN59        
2315 -27 -0.4  650 5  CQ DF6NM JN59        
2325 -26 -0.4  650 5  CQ DF6NM JN59        
0035 -21 -0.6  650 5  CQ DF6NM JN59        
0045 -20 -0.4  650 5  CQ DF6NM JN59 
 
73, Spiros/SV8CS
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