Return-Path: Received: from rly-dg07.mx.aol.com (rly-dg07.mail.aol.com [172.19.151.91]) by air-dg08.mail.aol.com (v123.4) with ESMTP id MAILINDG081-5dc4a01ea5b78; Wed, 06 May 2009 15:52:17 -0400 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by rly-dg07.mx.aol.com (v123.4) with ESMTP id MAILRELAYINDG075-5dc4a01ea5b78; Wed, 06 May 2009 15:51:57 -0400 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1M1n8q-0007N8-MD for rs_out_1@blacksheep.org; Wed, 06 May 2009 20:50:56 +0100 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1M1n8q-0007Mz-47 for rsgb_lf_group@blacksheep.org; Wed, 06 May 2009 20:50:56 +0100 Received: from mout1.freenet.de ([195.4.92.91]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1M1n8o-0005rD-Iv for rsgb_lf_group@blacksheep.org; Wed, 06 May 2009 20:50:55 +0100 Received: from [195.4.92.11] (helo=1.mx.freenet.de) by mout1.freenet.de with esmtpa (ID beckmann.erlangen@freenet.de) (port 25) (Exim 4.69 #88) id 1M1n8m-0003be-Vk for rsgb_lf_group@blacksheep.org; Wed, 06 May 2009 21:50:53 +0200 Received: from w33ee.w.pppool.de ([89.58.51.238]:1147 helo=2a2d7ed321c6425) by 1.mx.freenet.de with esmtpa (ID beckmann.erlangen@freenet.de) (port 25) (Exim 4.69 #79) id 1M1n8m-0002LI-8T for rsgb_lf_group@blacksheep.org; Wed, 06 May 2009 21:50:52 +0200 From: "Beckmann, Gerhard" To: References: <200904031959.n33Jxrvn028438@smtpa1.mediabeam.com><20090504220936.59jcwemhlo004wkk@webmail4.kuleuven.be><01a401c9ccfd$f04e8640$6401a8c0@asus><20090504233650.cpq3ip6kir688ogo@webmail4.kuleuven.be><005d01c9cd6b$620ddc00$6401a8c0@asus><20090505121435.9F59DF3863@smtps02.kuleuven.be><20090505152548.71C37F3865@smtps02.kuleuven.be><00df01c9cdac$e9a407c0$6401a8c0@asus><20090505214422.o47capffyyb4oog0@webmail4.kuleuven.be><20090505221513.oso5g5yn6csgwsw4@webmail4.kuleuven.be><20090505225610.msbh1wypf7cws8ks@webmail4.kuleuven.be> <20090505234705.h93clwtj8o8o8kg4@webmail4.kuleuven.be> Date: Wed, 6 May 2009 21:50:48 +0200 Message-ID: <44C635CA641E4CA2BFEAEB12F09E3436@2a2d7ed321c6425> MIME-Version: 1.0 X-Mailer: Microsoft Office Outlook 11 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.5579 In-Reply-To: <20090505234705.h93clwtj8o8o8kg4@webmail4.kuleuven.be> Thread-Index: AcnNy5BQ2ZyBhohvQf+MHTbZJBPogAAt5zAg X-Karma: unknown: X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,none Subject: AW: AW: AW: LF: RE: rtty test Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.63 X-SA-Exim-Scanned: Yes Sender: owner-rsgb_lf_group@blacksheep.org Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out_1@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-AOL-IP: 193.82.116.20 Hello Rik, Sorry, but wasn't able to answer earlier. Well actually, please let me know when you will prepare the next RTTY test transmission and I will try to decode your signals. I am looking forward to verify a new mode. Vy 73 de Gerhard / DK6NI =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D =20 -----Urspr=FCngliche Nachricht----- Von: owner-rsgb_lf_group@blacksheep.org [mailto:owner-rsgb_lf_group@blacksheep.org] Im Auftrag von Rik Strobbe Gesendet: Dienstag, 5. Mai 2009 23:47 An: rsgb_lf_group@blacksheep.org Betreff: Re: AW: AW: LF: RE: rtty test Hello Gerhard, I will do a last transmission at 22:00 UTC Otherwise we can try tomorrow (WX permitting) 73, Rik Quoting "Beckmann, Gerhard" : > > > Hello Rik, > > I have just installed MMTTY and playing with the settings and need one more > chance for decoding.... > > Vy 73 de Gerhard // DK6NI > > =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D > > > -----Urspr=FCngliche Nachricht----- > Von: owner-rsgb_lf_group@blacksheep.org > [mailto:owner-rsgb_lf_group@blacksheep.org] Im Auftrag von Rik Strobbe > Gesendet: Dienstag, 5. Mai 2009 22:56 > An: rsgb_lf_group@blacksheep.org > Betreff: Re: AW: LF: RE: rtty test > > Hello Gerhard, > > thanks for the report, did you try to decode the RTTY ? > > 73, Rik ON7YD - OR7T > > Quoting "Beckmann, Gerhard" : > >> >> Hello Rik, >> >> Your signal is fine visible on my waterfall, but with deep QSB-Phases. >> >> Vy 73 de Gerhard // DK6NI (JN59LN) >> >> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D >> >> >> >> >> >> -----Urspr=FCngliche Nachricht----- >> Von: owner-rsgb_lf_group@blacksheep.org >> [mailto:owner-rsgb_lf_group@blacksheep.org] Im Auftrag von Rik Strobbe >> Gesendet: Dienstag, 5. Mai 2009 22:15 >> An: rsgb_lf_group@blacksheep.org >> Betreff: RE: LF: RE: rtty test >> >> Faint traces of my signal are showing up on the G4WGT grabber. >> I will transmit every 10 minutes starting 20:40 UTC until 21:30 UTC >> and listen inbetween. >> >> 73, Rik ON7YD - OR7T >> >> Quoting Rik Strobbe : >> >>> Hello Gary, LF, >>> >>> I just had a first transmission. >>> I will try short transmissions every 10-15 minutes or so until my >>> signal shows up un your grabber. Then I will start longer transmissions. >>> >>> 73, Rik ON7YD - OR7T >>> >>> Quoting Gary - G4WGT : >>> >>>> OK Rik, >>>> >>>> I will look at the settings you describe in MTTY to allow me to monitor, >> I >>>> normally use TrueTTY. >>>> >>>> Thanks for the info. >>>> >>>> Cheers, >>>> >>>> Gary - G4WGT. >>>> >>>> -----Original Message----- >>>> From: owner-rsgb_lf_group@blacksheep.org >>>> [mailto:owner-rsgb_lf_group@blacksheep.org] On Behalf Of Rik Strobbe >>>> Sent: 05 May 2009 16:26 >>>> To: rsgb_lf_group@blacksheep.org >>>> Subject: RE: LF: RE: rtty test >>>> >>>> Gary, LF, >>>> >>>> I just had a look at MMTTY and it seems pretty easy to set it to 50Hz >>>> shift and 22Bd baudrate. >>>> The way I did it: >>>> 1. As a start select 23Hz RTTY (in "Profiles") >>>> 2. In "Options" select "Setup MMTTY" >>>> 3. In the tab "Demodulator" change "Shift" from 23 tot 50 (it is not >>>> a standard option, but you can just type 50 into the field) >>>> 4. In the tab "Demodulator" change "Mark" to a suitable value (that >>>> is the audio frequency you get) >>>> 5. In the tab "Demodulator" change "Discriminator Type" from VCO to FIR >> BPF >>>> 6. In the tab "Demodulator" change "Tap" from 72 to 256 >>>> 7. In the tab "Demodulator" click on "OK" >>>> 8. In the tab "Decode" change "BaudRate" from 45 tot 22 and click "OK" >>>> Steps 5-7 set demodulator type, the values above are the result of >>>> some brief dry tests and can most likely still be optimized. You can >>>> do that in the main screen. >>>> >>>> If WX permits (no rain) I intend to run some tests between 20:30 and >>>> 21:30 UTC on 503.5kHz in mode USB (so if you listen in LSB don't >>>> forget to select reverse mode). >>>> I will announce the exact hours later this evening. >>>> Between transmissions I will listen on the same frequency. >>>> >>>> All reports (or replies) are welcome. >>>> >>>> 73, Rik ON7YD - OR7T >>>> >>>> At 14:14 5/05/2009, you wrote: >>>>> Hello Gary, >>>>> >>>>> I had a closer look at the 23Hz shift option of MMTTY and it seems >>>>> to run at 45Bd what is on the edge regarding the shift/baudrate >>>>> ratio. That is most likely the reason why it is not so robust. >>>>> Using 45Bd at 85Hz shift would exceed the 100Hz bandwidth limit. >>>>> I guess the best option for RTTY would be a shift around 50Hz and a >>>>> lower baudrate (say 20Bd) what would well fit within the 100Hz >>>>> bandwidth and would have a sufficient shift/baudrate ratio to >>>>> provide a robust signal. >>>>> I will see if I can get such signal out of MMTTY and - if time >>>>> permits - run some tests tonight. >>>>> >>>>> 73, Rik ON7YD - OR7T >>>>> >>>>> At 12:22 5/05/2009, you wrote: >>>>>> Hi Rik, >>>>>> >>>>>> You have experienced the same as I did with 23Hz shift, the signal >> needs >>>> to >>>>>> be very strong to decode. It was in the last 2 minutes that I got the >>>>>> partial decode. >>>>>> >>>>>> A much better shift to use is the 85Hz which will fit into your spec. >>>>>> >>>>>> I have had good QSO's with Chris G3XIZ in Biggleswade both of us using >>>> 85Hz. >>>>>> >>>>>> Give that a try next time & I believe I will get a much better decode >>>>>> judging by the strength of your signal. >>>>>> >>>>>> 73 >>>>>> >>>>>> Gary - G4WGT. >>>>>> >>>>>> -----Original Message----- >>>>>> From: owner-rsgb_lf_group@blacksheep.org >>>>>> [mailto:owner-rsgb_lf_group@blacksheep.org] On Behalf Of Rik Strobbe >>>>>> Sent: 04 May 2009 22:37 >>>>>> To: rsgb_lf_group@blacksheep.org >>>>>> Subject: Re: LF: RE: rtty test >>>>>> >>>>>> Hello Gary, >>>>>> >>>>>> call the is almost right, locator completely. >>>>>> But not really impressive for 500mW ERP. >>>>>> I could see my signal on your grabber, some slow QSB but strong for >>>>>> the last 2 minutes or so. >>>>>> I used MTTY with the profile "23Hz RTTY (MTTY)" without any further >>>>>> changes, not sure that this is the best mode. >>>>>> So any advice is welcome. >>>>>> I have also installed MultiPSK, but am still overwhelmed by the colors >>>>>> and options. >>>>>> I am allowed to use any digital mode as long as I stick to max. 100Hz >>>>>> bandwidth. >>>>>> >>>>>> 73, Rik ON7YD - OR7T >>>>>> >>>>>> >>>>>> >>>>>> Quoting Gary - G4WGT : >>>>>> >>>>>>> Hi Rik, >>>>>>> >>>>>>> This is the best I could do, it looks like almost your call sign & >>>> locator >>>>>>> :- >>>>>>> >>>>>>> RHTQHTST DE TC(TIOJ7T OR1T JO20IX >>>>>>> >>>>>>> 73 >>>>>>> >>>>>>> Gary - G4WGT. >>>>>>> >>>>>>> -----Original Message----- >>>>>>> From: owner-rsgb_lf_group@blacksheep.org >>>>>>> [mailto:owner-rsgb_lf_group@blacksheep.org] On Behalf Of Rik Strobbe >>>>>>> Sent: 04 May 2009 21:10 >>>>>>> To: rsgb_lf_group@blacksheep.org >>>>>>> Subject: LF: rtty test >>>>>>> >>>>>>> dear all, >>>>>>> >>>>>>> I will run a short (10 minute) rtty test (23Hz shift) on 503.500 at >>>> 21UTC >>>>>>> Reports and/or reply welcome. >>>>>>> >>>>>>> 73, Rik ON7YD - OR7T >>>>>>> >>>>>>> >>>>>>> >>>>> >>>> >>>> >>>> >>>> >> >> >> >> >> >> >> > > > > > > >