[Fwd: [Fwd: Re: [digitalradio] RFSM8000]]
Hi Rick Well so far with the testing we are doing on RFSM8000 it appears to work very well - below are some transfer figures from the program using the Non-standard mode .3 to .2.7 khz wide application band in not all that good of condition - freq 10137 usb path distance approx 1000 plus klm s/n changing up and down quite dramatically FIGURES BELOW ARE FOR THE FILE TRANSFER SIZE AND TIME TAKEN Connecting to 'VK7DIK'... - 28/09/2007 - 12:51:04 PM Connected to 'VK7DIK'. - 28/09/2007 - 12:51:11 PM RFSM-8000, version 0.507, user license: BETA-TESTER - 28/09/2007 - 12:51:11 PM Maximum supported connection speed - 8000 bit/sec - 28/09/2007 - 12:51:11 PM 'VK7DIK' accept FTP-requests. - 28/09/2007 - 12:51:27 PM 'VK7DIK' accept MAIL-requests. - 28/09/2007 - 12:51:27 PM Request for sending file '33.jpg' to 'VK7DIK'... - 28/09/2007 - 12:53:56 PM Sending file '33.jpg', size 29 bytes, to 'VK7DIK'... - 28/09/2007 - 12:54:05 PM 'VK7DIK' ready for next part of file, new part: 2 - 28/09/2007 - 1:17:25 PM File '33.jpg' sended succesfully, all time 1566 sec, average speed 1498 bits/sec - 28/09/2007 - 1:20:11 PM AND THE CORRESPONDING PAKET TRANSFER LOG Transeive block, mode 4000 long - 28/09/2007 - 12:54:07 PM Sended 358 packets Receive block, mode 500 long, S/N: 15 (14/16) - 28/09/2007 - 12:55:08 PM All packs: 2, good info: 0, good arq: 1 / 30, bad packs: 0. Transeive block, mode 1000 long - 28/09/2007 - 12:55:10 PM Sended 88 packets Receive block, mode 500 long, S/N: 12 (10/14) - 28/09/2007 - 12:56:09 PM All packs: 4, good info: 0, good arq: 3 / 86, bad packs: 0. Transeive block, mode 2666 long - 28/09/2007 - 12:56:11 PM Sended 236 packets Receive block, mode 1000 long, S/N: 14 (13/15) - 28/09/2007 - 12:57:11 PM All packs: 7, good info: 0, good arq: 6 / 223, bad packs: 0. Transeive block, mode 4000 long - 28/09/2007 - 12:57:13 PM Sended 358 packets Receive block, mode 2000 long, S/N: 16 (15/16) - 28/09/2007 - 12:58:14 PM All packs: 11, good info: 0, good arq: 9 / 351, bad packs: 0. Transeive block, mode 4000 long - 28/09/2007 - 12:58:16 PM Sended 358 packets Receive block, mode 2000 long, S/N: 15 (15/16) - 28/09/2007 - 12:59:16 PM All packs: 11, good info: 0, good arq: 10 / 362, bad packs: 0. Transeive block, mode 4000 long - 28/09/2007 - 12:59:18 PM Sended 358 packets Receive block, mode 1000 long, S/N: 12 (11/14) - 28/09/2007 - 1:00:19 PM All packs: 10, good info: 0, good arq: 9 / 351, bad packs: 0. Transeive block, mode 4000 long - 28/09/2007 - 1:00:21 PM Sended 358 packets Receive block, mode 1000 long, S/N: 17 (15/18) - 28/09/2007 - 1:01:21 PM All packs: 6, good info: 0, good arq: 5 / 179, bad packs: 0. Transeive block, mode 2000 long - 28/09/2007 - 1:01:23 PM Sended 177 packets Receive block, mode 500 long, S/N: 17 (16/17) - 28/09/2007 - 1:02:23 PM All packs: 4, good info: 0, good arq: 3 / 115, bad packs: 0. Transeive block, mode 1000 long - 28/09/2007 - 1:02:25 PM Sended 88 packets Receive block, mode 500 long, S/N: 12 (10/13) - 28/09/2007 - 1:03:24 PM All packs: 4, good info: 0, good arq: 3 / 95, bad packs: 0. Transeive block, mode 2000 long - 28/09/2007 - 1:03:26 PM Sended 177 packets Transeive block, mode 500 long - 28/09/2007 - 1:04:31 PM Sended 44 packets Receive block, mode 500 long, S/N: 12 (10/15) - 28/09/2007 - 1:05:30 PM All packs: 3, good info: 0, good arq: 2 / 43, bad packs: 0. Transeive block, mode 2666 long - 28/09/2007 - 1:05:32 PM Sended 236 packets Receive block, mode 500 long, S/N: 15 (15/16) - 28/09/2007 - 1:06:33 PM All packs: 4, good info: 0, good arq: 3 / 117, bad packs: 0. Transeive block, mode 4000 long - 28/09/2007 - 1:06:35 PM Sended 358 packets Receive block, mode 1000 long, S/N: 17 (16/18) - 28/09/2007 - 1:07:36 PM All packs: 10, good info: 0, good arq: 9 / 316, bad packs: 0. Transeive block, mode 2666 long - 28/09/2007 - 1:07:38 PM Sended 236 packets Receive block, mode 1000 long, S/N: 17 (15/18) - 28/09/2007 - 1:08:37 PM All packs: 7, good info: 0, good arq: 6 / 229, bad packs: 0. Transeive block, mode 4000 long - 28/09/2007 - 1:08:39 PM Sended 358 packets Receive block, mode 500 long, S/N: 17 (16/18) - 28/09/2007 - 1:09:40 PM All packs: 5, good info: 0, good arq: 3 / 97, bad packs: 0. Transeive block, mode 2000 long - 28/09/2007 - 1:09:42 PM Sended 177 packets Receive block, mode 1000 long, S/N: 14 (13/16) - 28/09/2007 - 1:10:42 PM All packs: 7, good info: 0, good arq: 5 / 175, bad packs: 0. Transeive block, mode 4000 long - 28/09/2007 - 1:10:44 PM Sended 358 packets Receive block, mode 2000 long, S/N: 11 (11/11) - 28/09/2007 - 1:11:45 PM All packs: 13, good info: 0, good arq: 9 / 330, bad packs: 0. Transeive block, mode 4000 long - 28/09/2007 - 1:11:47 PM Sended 358 packets Receive block, mode 500 long, S/N: 11 (10/12) - 28/09/2007 - 1:12:48 PM All packs: 3, good info: 0, good arq: 2 / 60, bad packs: 0. Transeive block, mode 500 long - 28/09/2007 - 1:12:50 PM Sended 44 packets Receive block, mode 500 long, S/N: 8 (5/11) - 28/09/2007 -
Re: [digitalradio] OLIVIA 14074
Ciao Claudio, Funziono molto spesso Olivia e qui sono i modi che normali di funzionamento ho trovato per le frequenze differenti: Fra 14072 e 14078 (USB), ho regolato solitamente la manopola 1407x.65 (14072.65, 14073.65, ecc), il programma di Olivia a 500/16 e la frequenza concenta audio (ACF) o ha sfalsato a 750hz per denominare o rispondere ad una CQ. Ciò è la maggior parte del modo del comon ed è che cosa troverete suggerito sul Web site di HFLink. A volte troverete un QSO che è stato commutato a 250/8 per il tasso più veloce di parola-per-minuto ma che non è normale per la chiamata della CQ. Fra 14101 e 14109, ho regolato solitamente la manopola 1410x.50 (14104.50, 14105.5, ecc), il software di Olivia a 1000/32 ed il ACF a 1000hz per la chiamata o la risposta della CQ. Una volta che un QSO è stabilito ed il collegamento è buono, potete commutare a 1000/16 per velocità più veloce della trasmissione. Inoltre, parecchia gente sta sperimentando con gli accoppiamenti di tono di 2000/128 e di 2000/256 (1500hz ACF) per il segnale molto debole Olivia. Parecchi contatti di distanza lunga sono stati stabiliti su 20m dopo de quando che chiusa e nessun altro segnale potrebbe ottenere attraverso usando il Web site del riflettore di K3UK Digital (www.obriensweb.com/drsked/drsked.php) per stabilire la frequenza e per avvisare altri alla CQ. Ciao, Arturo KD4ULB === Ciao Claudio, I operate Olivia very often and here are the normal operating modes I have found for different frequencies: Between 14072 and 14078 (USB), I usually set the dial to 1407x.65 (14072.65, 14073.65, etc), the Olivia program to 500/16 and the Audio Center Frequency (ACF) or offset to 750hz to call or answer a CQ . This is the most comon mode and is what you will find suggested on the HFLink website. Sometimes you will find a QSO that has been switched to 250/8 for the faster word-per-minute rate but that is not normal for calling CQ. Between 14101 and 14109, I usually set the dial to 1410x.50 (14104.50, 14105.5, etc), the Olivia software to 1000/32 and the ACF to 1000hz for calling or answering CQ. Once a QSO is established and the connection is good, you can switch to 1000/16 for faster transmission speed. Also, several people have been experimenting with tone pairs of 2000/128 and 2000/256 (1500hz ACF) for very weak signal Olivia. Several long distance contacts have been made on 20m after the band closed and no other signals could get through by using the K3UK Digital Reflector website (www.obriensweb.com/drsked/drsked.php) to establish the frequency and alert others to the CQ. 73, Glenn KD4ULB === Hi: i read a post about WB6REZ calling in 14074 usb. The signal was very clear in my screen but i didnt know the setup in this frecuency. i usually call in 14105 with 1000-32 but in 14074 with this setup i cant read nothing. 73`s CLAUDIO-lu2vcd Announce your digital presence via our Interactive Sked Page at http://www.obriensweb.com/drsked/drsked.php Yahoo! Groups Links http://groups.yahoo.com/group/digitalradio/ ID required) mailto:[EMAIL PROTECTED] mailto:[EMAIL PROTECTED] [EMAIL PROTECTED] http://docs.yahoo.com/info/terms/
[digitalradio] RFSM2400 vs. PC-ALE
Hi Les, I am not sure how helpful the numbers were, but it does show that you are able to get some packets through, which is good. Does the program offer any kind of relative S/N or other information when it is working? Or can you give us some idea of the conditions and how other modes would have fared under those conditions? Also, have you considered using the 8PSK2400 waveforms in the PC-ALE program which uses the standard protocols which appear to be functionally identical? While RFSM2400 does not have rig control for my ICOM radio, PC-ALE has this built in now so I am able to operate PC-ALE on 160 to 6 meters (with mediocre antennas on some bands). Anyone here who would like to try the faster speeds on the PC-ALE program by going to the voice/image portions of the bands and send images/fax? I realize that if you can actually use voice communication, the S/N is going to be over zero dB, but it could at least give you a feel for the capabilities (or not) of the mode, relative to other digital modes. 73, Rick, KV9U Les Keppie wrote: Hi Rick Well so far with the testing we are doing on RFSM8000 it appears to work very well - below are some transfer figures from the program using the Non-standard mode .3 to .2.7 khz wide application band in not all that good of condition - freq 10137 usb path distance approx 1000 plus klm s/n changing up and down quite dramatically
Re: [digitalradio] OLIVIA 14074
Ok, gracias por tu respuesta. Intentaremos llamar CQ alrededor de las 1900 z en 14073.65. Ok, thanks for your answer. I will try to call CQ about 1900 z in 14073.65usb Claudio-LU2VCD El día 27/09/07, G. McFarlin [EMAIL PROTECTED] escribió: Hola Claudio, ¡Me disculpo por la respuesta Italiana! Funciono Olivia muy a menudo y aquí soy los modos de funcionamiento normales que he encontrado para diversas frecuencias: Entre 14072 y 14078 (USB), fijé generalmente el dial a 1407x.65 (14072.65, 14073.65, al etc), el programa de Olivia a 500/16 y la frecuencia de centro audio (ACF) o compensó a 750hz para llamar o para contestar a una CQ. Éste es la mayoría del modo del comon y es lo que usted encontrará sugerida en el Web site de HFLink. Usted encontrará a veces un QSO que se ha cambiado a 250/8 para la tarifa más rápida del palabra-por-minuto pero que no sea normal para llamar la CQ. Entre 14101 y 14109, fijé generalmente el dial a 1410x.50 (14104.50, 14105.5, al etc), el software de Olivia a 1000/32 y el ACF a 1000hz para llamar o contestar a la CQ. Una vez que se establezca un QSO y la conexión es buena, usted puede cambiar a 1000/16 para una velocidad más rápida de la transmisión. También, varios personas han estado experimentando con pares del tono de 2000/128 y 2000/256 (1500hz ACF) para la señal muy débil Olivia. Varios contactos interurbanos se han hecho en los 20m después de la venda cerrada y ningunas otras señales podrían conseguir a través usando el Web site del reflector de K3UK Digital (www.obriensweb.com/drsked/drsked.php) para establecer la frecuencia y para alertar otras a la CQ. Espero esto ayudada 73, Glenn KD4ULB Hi: i read a post about WB6REZ calling in 14074 usb. The signal was very clear in my screen but i didnt know the setup in this frecuency. i usually call in 14105 with 1000-32 but in 14074 with this setup i cant read nothing. 73`s CLAUDIO-lu2vcd Announce your digital presence via our Interactive Sked Page at http://www.obriensweb.com/drsked/drsked.php Yahoo! Groups Links
Re: [digitalradio] center of the waterfall question
Frank- I think that there is MUCH confusion in our ranks on this subject. For instance, I set my rig to one frequency (usually 14,070.00) and leave it there. I tune to different signals by moving the marker that shows the offset from the base frequency on the waterfall. The radio bandwidth is many times as wide as the signal width (for PSK31), and many signals can be accommodated in the passband. I have a tuneable Digital filter, and one of the most educational tricks is to shift the upper and lower audio limits of the filter, and watch the result on the waterfall One of the sources of the confusion is the ambiguity in the meaning of best. I think that it is highly improbable that we can get a clear definition. Good luck- Bill-W4BSG At 10:27 PM 9/4/2007, you wrote: Hey group, this is Frank K2NCC, Just wanted to ask what is surely a noobie question or two. If my waterfall (using MixW) can receive a signal between 300KHz and 3000KHz on the spectrum, that's my bandwidth of the radio, right? Seems to match what the manual says, 2700. I've read where PSK31 is best at 1000KHz on the audio marker in a QSO. But, one could QSO pretty far on either side of that line if you avoid the fringes. Right? Oh, if it matters, the radio is TS-830S and a Signalink. Well, the halfway point on the waterfall for me is about 1650 on the audio marker. I'm guessing that whatever frequency I'm on when I tune the signal to that 1650 point, is the frequency they're transmitting on. I asked and have been very close, but can only hope that my rig is on the mark. Either way, it's not been off by more than 3Hz. Since the rig only has six digit display, I round it off anyway. Is that the best place to transmit and receive? Dead center of the frequency seems to be the ideal place if both sides are doing the same. 73. Frank K2NCC Announce your digital presence via our Interactive Sked Page at http://www.obriensweb.com/drsked/drsked.php Yahoo! Groups Links We batter this Planet as if we had someplace else to go.
[digitalradio] useless qrm
It sounds like a ghastly prescription for useless QRM. you mean like in contest david/wd4kpd
Re: [digitalradio] OLIVIA 14074
Hola Claudio, ¡Me disculpo por la respuesta Italiana! Funciono Olivia muy a menudo y aquí soy los modos de funcionamiento normales que he encontrado para diversas frecuencias: Entre 14072 y 14078 (USB), fijé generalmente el dial a 1407x.65 (14072.65, 14073.65, al etc), el programa de Olivia a 500/16 y la frecuencia de centro audio (ACF) o compensó a 750hz para llamar o para contestar a una CQ. Éste es la mayoría del modo del comon y es lo que usted encontrará sugerida en el Web site de HFLink. Usted encontrará a veces un QSO que se ha cambiado a 250/8 para la tarifa más rápida del palabra-por-minuto pero que no sea normal para llamar la CQ. Entre 14101 y 14109, fijé generalmente el dial a 1410x.50 (14104.50, 14105.5, al etc), el software de Olivia a 1000/32 y el ACF a 1000hz para llamar o contestar a la CQ. Una vez que se establezca un QSO y la conexión es buena, usted puede cambiar a 1000/16 para una velocidad más rápida de la transmisión. También, varios personas han estado experimentando con pares del tono de 2000/128 y 2000/256 (1500hz ACF) para la señal muy débil Olivia. Varios contactos interurbanos se han hecho en los 20m después de la venda cerrada y ningunas otras señales podrían conseguir a través usando el Web site del reflector de K3UK Digital (www.obriensweb.com/drsked/drsked.php) para establecer la frecuencia y para alertar otras a la CQ. Espero esto ayudada 73, Glenn KD4ULB Hi: i read a post about WB6REZ calling in 14074 usb. The signal was very clear in my screen but i didnt know the setup in this frecuency. i usually call in 14105 with 1000-32 but in 14074 with this setup i cant read nothing. 73`s CLAUDIO-lu2vcd Announce your digital presence via our Interactive Sked Page at http://www.obriensweb.com/drsked/drsked.php Yahoo! Groups Links (Yahoo! ID required) mailto:[EMAIL PROTECTED] http://docs.yahoo.com/info/terms/
Re: [Fwd: [Fwd: Re: [digitalradio] RFSM8000]]
Hi all, It was a lot of RFSM2400 activity on 3588 kHz in Europe yesterday. 73 de Steinar LA5VNA Les Keppie skrev: Hi Rick Well so far with the testing we are doing on RFSM8000 it appears to work very well - below are some transfer figures from the program using the Non-standard mode .3 to .2.7 khz wide application band in not all that good of condition - freq 10137 usb path distance approx 1000 plus klm s/n changing up and down quite dramatically FIGURES BELOW ARE FOR THE FILE TRANSFER SIZE AND TIME TAKEN Connecting to 'VK7DIK'... - 28/09/2007 - 12:51:04 PM Connected to 'VK7DIK'. - 28/09/2007 - 12:51:11 PM RFSM-8000, version 0.507, user license: BETA-TESTER - 28/09/2007 - 12:51:11 PM Maximum supported connection speed - 8000 bit/sec - 28/09/2007 - 12:51:11 PM 'VK7DIK' accept FTP-requests. - 28/09/2007 - 12:51:27 PM 'VK7DIK' accept MAIL-requests. - 28/09/2007 - 12:51:27 PM Request for sending file '33.jpg' to 'VK7DIK'... - 28/09/2007 - 12:53:56 PM Sending file '33.jpg', size 29 bytes, to 'VK7DIK'... - 28/09/2007 - 12:54:05 PM 'VK7DIK' ready for next part of file, new part: 2 - 28/09/2007 - 1:17:25 PM File '33.jpg' sended succesfully, all time 1566 sec, average speed 1498 bits/sec - 28/09/2007 - 1:20:11 PM AND THE CORRESPONDING PAKET TRANSFER LOG Transeive block, mode 4000 long - 28/09/2007 - 12:54:07 PM Sended 358 packets Receive block, mode 500 long, S/N: 15 (14/16) - 28/09/2007 - 12:55:08 PM All packs: 2, good info: 0, good arq: 1 / 30, bad packs: 0. Transeive block, mode 1000 long - 28/09/2007 - 12:55:10 PM Sended 88 packets Receive block, mode 500 long, S/N: 12 (10/14) - 28/09/2007 - 12:56:09 PM All packs: 4, good info: 0, good arq: 3 / 86, bad packs: 0. Transeive block, mode 2666 long - 28/09/2007 - 12:56:11 PM Sended 236 packets Receive block, mode 1000 long, S/N: 14 (13/15) - 28/09/2007 - 12:57:11 PM All packs: 7, good info: 0, good arq: 6 / 223, bad packs: 0. Transeive block, mode 4000 long - 28/09/2007 - 12:57:13 PM Sended 358 packets Receive block, mode 2000 long, S/N: 16 (15/16) - 28/09/2007 - 12:58:14 PM All packs: 11, good info: 0, good arq: 9 / 351, bad packs: 0. Transeive block, mode 4000 long - 28/09/2007 - 12:58:16 PM Sended 358 packets Receive block, mode 2000 long, S/N: 15 (15/16) - 28/09/2007 - 12:59:16 PM All packs: 11, good info: 0, good arq: 10 / 362, bad packs: 0. Transeive block, mode 4000 long - 28/09/2007 - 12:59:18 PM Sended 358 packets Receive block, mode 1000 long, S/N: 12 (11/14) - 28/09/2007 - 1:00:19 PM All packs: 10, good info: 0, good arq: 9 / 351, bad packs: 0. Transeive block, mode 4000 long - 28/09/2007 - 1:00:21 PM Sended 358 packets Receive block, mode 1000 long, S/N: 17 (15/18) - 28/09/2007 - 1:01:21 PM All packs: 6, good info: 0, good arq: 5 / 179, bad packs: 0. Transeive block, mode 2000 long - 28/09/2007 - 1:01:23 PM Sended 177 packets Receive block, mode 500 long, S/N: 17 (16/17) - 28/09/2007 - 1:02:23 PM All packs: 4, good info: 0, good arq: 3 / 115, bad packs: 0. Transeive block, mode 1000 long - 28/09/2007 - 1:02:25 PM Sended 88 packets Receive block, mode 500 long, S/N: 12 (10/13) - 28/09/2007 - 1:03:24 PM All packs: 4, good info: 0, good arq: 3 / 95, bad packs: 0. Transeive block, mode 2000 long - 28/09/2007 - 1:03:26 PM Sended 177 packets Transeive block, mode 500 long - 28/09/2007 - 1:04:31 PM Sended 44 packets Receive block, mode 500 long, S/N: 12 (10/15) - 28/09/2007 - 1:05:30 PM All packs: 3, good info: 0, good arq: 2 / 43, bad packs: 0. Transeive block, mode 2666 long - 28/09/2007 - 1:05:32 PM Sended 236 packets Receive block, mode 500 long, S/N: 15 (15/16) - 28/09/2007 - 1:06:33 PM All packs: 4, good info: 0, good arq: 3 / 117, bad packs: 0. Transeive block, mode 4000 long - 28/09/2007 - 1:06:35 PM Sended 358 packets Receive block, mode 1000 long, S/N: 17 (16/18) - 28/09/2007 - 1:07:36 PM All packs: 10, good info: 0, good arq: 9 / 316, bad packs: 0. Transeive block, mode 2666 long - 28/09/2007 - 1:07:38 PM Sended 236 packets Receive block, mode 1000 long, S/N: 17 (15/18) - 28/09/2007 - 1:08:37 PM All packs: 7, good info: 0, good arq: 6 / 229, bad packs: 0. Transeive block, mode 4000 long - 28/09/2007 - 1:08:39 PM Sended 358 packets Receive block, mode 500 long, S/N: 17 (16/18) - 28/09/2007 - 1:09:40 PM All packs: 5, good info: 0, good arq: 3 / 97, bad packs: 0. Transeive block, mode 2000 long - 28/09/2007 - 1:09:42 PM Sended 177 packets Receive block, mode 1000 long, S/N: 14 (13/16) - 28/09/2007 - 1:10:42 PM All packs: 7, good info: 0, good arq: 5 / 175, bad packs: 0. Transeive block, mode 4000 long - 28/09/2007 - 1:10:44 PM Sended 358 packets Receive block, mode 2000 long, S/N: 11 (11/11) - 28/09/2007 - 1:11:45 PM All packs: 13, good info: 0, good arq: 9 / 330, bad packs: 0. Transeive block, mode 4000 long - 28/09/2007 - 1:11:47 PM Sended 358 packets Receive block, mode 500 long, S/N: 11 (10/12) -
[digitalradio] RAIN REPORT: The NFCC and Jay Maynard, K5ZC, push for FCC D-STAR Repeater Clarification, Part One
RAIN REPORT: The NFCC and Jay Maynard, K5ZC, push for FCC D-STAR Repeater Clarification (Part One, 13 minutes). http://www.therainreport.com/rainreport_archive/rainreport-9-27-2007.mp3 Shape Yahoo! in your own image. Join our Network Research Panel today! http://surveylink.yahoo.com/gmrs/yahoo_panel_invite.asp?a=7
[digitalradio] Re: center of the waterfall question
There are two considerations: 1. the signal being decoded should fall within the receive filter(s) you're using. Some ops activate RTTY or CW filters during PSK QSOs; their choise of offset is thus limited by the positioning of these filters within their receiver's bandpass. 2. the second harmonic of your transmit audio tone should fall outside your transmitter's bandpass (to minimize QRM) So if your transmitter's bandpass extends to 2.7 kHz, an audio offset of 1600 or 1700 is ideal -- assuming a signal at that offset will pass the filter you use during reception. Many digital mode applications -- including MixW -- have the capability to QSY your transceiver to achieve a pre-specified audio offset. This lets you select a signal in the waterfall with one action, decide you're interested, and then QSY your transceiver with a second action before making your call using the optimal audio offset. 73, Dave, AA6YQ --- In digitalradio@yahoogroups.com, Bill Aycock [EMAIL PROTECTED] wrote: Frank- I think that there is MUCH confusion in our ranks on this subject. For instance, I set my rig to one frequency (usually 14,070.00) and leave it there. I tune to different signals by moving the marker that shows the offset from the base frequency on the waterfall. The radio bandwidth is many times as wide as the signal width (for PSK31), and many signals can be accommodated in the passband. I have a tuneable Digital filter, and one of the most educational tricks is to shift the upper and lower audio limits of the filter, and watch the result on the waterfall One of the sources of the confusion is the ambiguity in the meaning of best. I think that it is highly improbable that we can get a clear definition. Good luck- Bill-W4BSG At 10:27 PM 9/4/2007, you wrote: Hey group, this is Frank K2NCC, Just wanted to ask what is surely a noobie question or two. If my waterfall (using MixW) can receive a signal between 300KHz and 3000KHz on the spectrum, that's my bandwidth of the radio, right? Seems to match what the manual says, 2700. I've read where PSK31 is best at 1000KHz on the audio marker in a QSO. But, one could QSO pretty far on either side of that line if you avoid the fringes. Right? Oh, if it matters, the radio is TS-830S and a Signalink. Well, the halfway point on the waterfall for me is about 1650 on the audio marker. I'm guessing that whatever frequency I'm on when I tune the signal to that 1650 point, is the frequency they're transmitting on. I asked and have been very close, but can only hope that my rig is on the mark. Either way, it's not been off by more than 3Hz. Since the rig only has six digit display, I round it off anyway. Is that the best place to transmit and receive? Dead center of the frequency seems to be the ideal place if both sides are doing the same. 73. Frank K2NCC Announce your digital presence via our Interactive Sked Page at http://www.obriensweb.com/drsked/drsked.php Yahoo! Groups Links We batter this Planet as if we had someplace else to go.
[digitalradio] Tests in ARQ FAE
Hello to all, I will be QRV for tests to-morrow saturday morning in 14109.5 KHz USB at 10h00 UTC, for the ones interested. I will call CQ in ARQ FAE up to 10h30 UTC. A 4.4.2 Multipsk test version in a ZIP test package is available in my site. It contains the Multipsk test version (with ARQ FAE bugs fixed). http://f6cte.free.fr/MULTIPSK_TEST_22_09_2007.ZIP Paste this adress in your Internet Explorer or equivalent. Download the file. Create a tempory folder (C:\TEST, for example), unzip the file in it and start C:\TEST\Multipsk.exe (the auxiliary files will be created automatically). 73 Patrick
[digitalradio] RTTY Contest
Could someone give me some pointers on what type of data is sent during the WWW CQ RTTY contest? I was watching it on the waterfall, and was decoding fine, but some abbreviations I saw I could not comprehend. Any help? Thanks, Leroy - kb3msu
