Clemens,
Thanks for nice report!
I'm very curious about your signal!
Will you use the dipole for xmitting?
Will be a big signal with that Ant!
73, df5qg
Christian Groeger
Clemens Paul <[email protected]> schrieb:
> DK7FC and DF5QG in CW both with 599 here until 00.05.
>(DK7FC sometimes with 59~) :-)
>QSB max. 6dB.
>
>http://no.nonsense.ee/qthmap/?qth=JN68KJ79WJ
>
>73
>Clemens
>DL4RAJ
>
>>-----Original Message-----
>>From: [email protected]
>>[mailto:[email protected]] On Behalf Of wolf_dl4yhf
>>Sent: Friday, December 27, 2013 12:17 PM
>>To: [email protected]
>>Subject: Re: LF: Sending Opera with SpecLab
>>
>>Greetings all,
>>(and apologies to Markus for juming in so quickly..)
>>
>>The principle described by Markus is only for transmission.
>>To take place of the DS option, i.e. for RECEPTION, spectrum
>>lab would have to modified to some extend, last not least it
>>would need an 'automated' method to build the correlation
>>patterns for the DS mode itself.
>>Since Markus has already provided his opera generator (thanks
>>for that!), it could be modified into a command-line driven
>>tool (exe or dll) which SL could invoke to create the 239-bit
>>message pattern for the correlators. I cannot promise too much
>>yet (being busy from too many other projects) but maybe when
>>the new 'super-linear', moderate-power, switching mode
>>amplifier is finished I'll have a look at it again.
>>
>>All the best,
>> Wolf DL4YHF .
>>
>>Am 27.12.2013 02:00, schrieb Bob Raide:
>>
>>
>> Markus;
>> Can this take the place of DS option used with OPERA?
>>
>>
>>________________________________
>>
>> From: [email protected]
>> To: [email protected];
>>[email protected]
>> Date: Fri, 27 Dec 2013 01:45:14 +0100
>> Subject: LF: Sending Opera with SpecLab
>>
>>
>> Today I finally found a simple solution to send Opera
>>sequences from SpecLab's digimode terminal. The nice thing
>>about this is that you can use all of SpecLab's powerful
>>functions, like samplerate correction, adjustable pulse
>>shaping, or high audio frequencies. This seems very useful,
>>especially in the context of possible future VLF Opera transmissions.
>>
>> First you will need to create a text file consisting of
>>the 239 bit 1101... sequence for your callsign. This can be
>>generated from the PIC menu in the original Opera software. Or
>>you can use my little code generator tool at
>>http://df6nm.bplaced.net/opera/opera_generator.zip - simply
>>copy opgen.exe from the zip and type
>> opgen mycallsign >opera.txt
>> into a command window.
>>
>> In SpecLab, open the digimode terminal and configure it
>>for ASK with no encoding, as shown in the attached "_settings"
>>screenshot. The symbol rate has to be set to the inverse
>>dotlength for the desired Opera speed:
>>
>> mode dotlength rate
>> (seconds) (sym/s)
>>
>> Op-8 1.024s 0.9766
>> Op-32 8.192s 0.12207
>>
>> Op-4H 65.536s 0.01526
>>
>> Shaping time can be selected from hard (0%) to soft
>>(50%) keying. Then enter your desired audio frequency and use
>>"Load TX text" from the file menue to load your opera.txt
>>file. The sequence will appear in the TX window, and the
>>transmission can started by hitting the RX / TX button.
>>
>> Best 73,
>> Markus (DF6NM)
>>
>>
>>
>>
>
>
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