- 201. Re: [RTTY] (no subject) (score: 1)
- Author: "Joe Subich, W4TV" <lists@subich.com>
- Date: Tue, 23 Aug 2011 19:43:08 -0400
- No, *ALL* are true FSK - they shift *one* oscillator in the transmit chain just not necessarily the VFO. However, shifting the VFO is not the definition of FSK any more than keying the VFO is the de
- /archives//html/RTTY/2011-08/msg00308.html (9,551 bytes)
- 202. Re: [RTTY] (no subject) (score: 1)
- Author: "Joe Subich, W4TV" <lists@subich.com>
- Date: Tue, 23 Aug 2011 21:36:25 -0400
- The modern definition of FSK is direct modulation of the transmitter by the baseband digital bit stream while AFSK is modulation of an SSB transmitter with an external audio subcarrier which is in tu
- /archives//html/RTTY/2011-08/msg00315.html (9,647 bytes)
- 203. Re: [RTTY] (no subject) (score: 1)
- Author: "Joe Subich, W4TV" <lists@subich.com>
- Date: Tue, 23 Aug 2011 21:37:54 -0400
- The analog to FSK is "direct keyed" CW and the analog to AFSK is keyed tone CW (MCW). 73, ... Joe, W4TV _______________________________________________ RTTY mailing list RTTY@contesting.com http://li
- /archives//html/RTTY/2011-08/msg00316.html (10,181 bytes)
- 204. Re: [RTTY] (no subject) (score: 1)
- Author: "Joe Subich, W4TV" <lists@subich.com>
- Date: Wed, 24 Aug 2011 01:06:44 -0400
- In fact, Amateur 45.45 baud, 170 Hz shift FSK would be known as 350HF1B using the ITU system of modulation designation - 350 Hz wide, FM, one channel of digital information without a subcarrier, int
- /archives//html/RTTY/2011-08/msg00325.html (12,303 bytes)
- 205. Re: [RTTY] Novice question, re TS-850 filtering & FSK (score: 1)
- Author: "Joe Subich, W4TV" <lists@subich.com>
- Date: Mon, 12 Sep 2011 22:39:39 -0400
- Are you sure the TS-850 is in the LSB RTTY (normal) mode and the menu set to transmit MARK when the FSK line is closed (shorted)? Also make sure to turn AFC *OFF* in MMTTY and click "HAM" to make su
- /archives//html/RTTY/2011-09/msg00028.html (11,206 bytes)
- 206. Re: [RTTY] bartg sprint 75 sv1dpi (score: 1)
- Author: "Joe Subich, W4TV" <lists@subich.com>
- Date: Mon, 19 Sep 2011 18:04:12 -0400
- The 45.45 baud ("Standard RTTY") profile appears to work fairly well except for the Pre-Filter bandwidth. I have changed the 45.45 baud Pre-Filter settings to Taps=192 and FW=100 for a flatter passb
- /archives//html/RTTY/2011-09/msg00058.html (10,701 bytes)
- 207. [RTTY] 75 baud RTTY with EXTFSK ... (score: 1)
- Author: "Joe Subich, W4TV" <lists@subich.com>
- Date: Tue, 20 Sep 2011 21:35:48 -0400
- From time to time I see comments that some individuals would like to see JE3HHT modify EXTFSK to support 75 baud RTTY. I have recently exchanged e-mail with Oba, JA7UDE about that possibility and Oba
- /archives//html/RTTY/2011-09/msg00065.html (8,593 bytes)
- 208. Re: [RTTY] [MMTTY] 75 baud RTTY with EXTFSK ... (score: 1)
- Author: "Joe Subich, W4TV" <lists@subich.com>
- Date: Wed, 21 Sep 2011 00:12:36 -0400
- Bob, Have you tried running FSK on the *serial* port? If it is a real serial port (and it may be if you have a true docking station instead of a multifunction USB adapter), it should run both 45.45 a
- /archives//html/RTTY/2011-09/msg00067.html (13,772 bytes)
- 209. Re: [RTTY] PTT-problems (score: 1)
- Author: "Joe Subich, W4TV" <lists@subich.com>
- Date: Wed, 05 Oct 2011 19:34:24 -0400
- Nope ... Edgeport uses an Intel part. You can find the details if you go digging through the technical data on the Digi International web site. However, in general the Edgeport devices are much more
- /archives//html/RTTY/2011-10/msg00035.html (11,344 bytes)
- 210. Re: [RTTY] Interface (score: 1)
- Author: "Joe Subich, W4TV" <lists@subich.com>
- Date: Tue, 11 Oct 2011 13:22:34 -0400
- Correct. Signalink USB is a basic <$20 USB sound card ("headset adapter") with a VOX circuit added for PTT. It contains no serial interface for rig control, FSK, CW or PTT. 73, ... Joe, W4TV _______
- /archives//html/RTTY/2011-10/msg00069.html (8,212 bytes)
- 211. Re: [RTTY] What Adapters do the Rigblaster People Use? (score: 1)
- Author: "Joe Subich, W4TV" <lists@subich.com>
- Date: Sun, 23 Oct 2011 20:59:27 -0400
- Simply put, the Nomic does a wire-or of the DTR and RTS lines for PTT. There is no separate CW (DTR) and PTT (RTS) outputs or any provision for FSK (TxD or DTR). One would be better served to simply
- /archives//html/RTTY/2011-10/msg00156.html (9,668 bytes)
- 212. Re: [RTTY] What Adapters do the Rigblaster People Use? (score: 1)
- Author: "Joe Subich, W4TV" <lists@subich.com>
- Date: Sun, 23 Oct 2011 23:21:41 -0400
- As far as I can tell there are only two sets of USB hardware currently available what will support UART style (e.g. COM port) RTTY output without EXTFSK or a modified version of EXTFSK. They are the
- /archives//html/RTTY/2011-10/msg00160.html (13,612 bytes)
- 213. Re: [RTTY] need help (score: 1)
- Author: "Joe Subich, W4TV" <lists@subich.com>
- Date: Sat, 05 Nov 2011 20:26:53 -0400
- Why doesn't the vendor of your interface answer this question? Signalink USB is a "dumb" sound card - it does AFSK style operation only. In order to do AFSK with the Yaesu transceivers with audio con
- /archives//html/RTTY/2011-11/msg00016.html (8,813 bytes)
- 214. Re: [RTTY] mmtty sound card alignment (score: 1)
- Author: "Joe Subich, W4TV" <lists@subich.com>
- Date: Fri, 06 Jan 2012 10:58:04 -0500
- If you are using Vista or Windows 7, the operating system does not allow individual applications which share the sound card to set the sound card's sample rate. Instead the operating system's hardwa
- /archives//html/RTTY/2012-01/msg00018.html (10,558 bytes)
- 215. Re: [RTTY] What is that funky sound? (score: 1)
- Author: "Joe Subich, W4TV" <lists@subich.com>
- Date: Thu, 12 Jan 2012 00:39:10 -0500
- ... and FLDIGI but it sure as heck isn't necessary for RTTY. DM780 and fldigi would be better off reserving RSID for all the modes that can't be identified by ear because the multiple "sub-modes" sou
- /archives//html/RTTY/2012-01/msg00075.html (11,165 bytes)
- 216. Re: [RTTY] New (score: 1)
- Author: "Joe Subich, W4TV" <lists@subich.com>
- Date: Thu, 12 Jan 2012 17:14:52 -0500
- Not only does one need to be concerned with LotW (there is a TI2/ that sends TI/ on the air but uses TI2/ with LotW) ... most contest rules used to specify that the callsign used must reflect the act
- /archives//html/RTTY/2012-01/msg00096.html (10,629 bytes)
- 217. Re: [RTTY] Lets try again on the FT857 problem (score: 1)
- Author: "Joe Subich, W4TV" <lists@subich.com>
- Date: Tue, 31 Jan 2012 21:59:30 -0500
- Try, pin 1 Data IN to TX Audio ("line out") on your sound card Pin 2 ground to ground/chassis/audio return on your interface and SC. Pin 3 PTT to PTT output on your interface Pin 4 data out (9600 bps
- /archives//html/RTTY/2012-01/msg00308.html (9,555 bytes)
- 218. Re: [RTTY] Lets try again on the FT857 problem (score: 1)
- Author: "Joe Subich, W4TV" <lists@subich.com>
- Date: Tue, 31 Jan 2012 23:15:59 -0500
- Based on what you wrote below, you have DATA IN and DATA OUT reversed (and you are using FM/discriminator audio instead of product detector audio). I know the information I've given works with any s
- /archives//html/RTTY/2012-01/msg00309.html (14,539 bytes)
- 219. Re: [RTTY] Lets try again on the FT857 problem (score: 1)
- Author: "Joe Subich, W4TV" <lists@subich.com>
- Date: Tue, 31 Jan 2012 23:52:41 -0500
- Don't know why that would be the case unless the DXP38 is extremely low input impedance or deaf. The connections I'm giving you are even shown on page 63 and 65 of the FT-857 manual. Get a CAT 5 or
- /archives//html/RTTY/2012-01/msg00311.html (17,033 bytes)
- 220. Re: [RTTY] no joy getting 2 versions of MMTTY running at the same time (score: 1)
- Author: "Joe Subich, W4TV" <lists@subich.com>
- Date: Wed, 01 Feb 2012 17:24:14 -0500
- Information on the start-up switches are in the programmer's documentation. 73, ... Joe, W4TV _______________________________________________ RTTY mailing list RTTY@contesting.com http://lists.contes
- /archives//html/RTTY/2012-02/msg00031.html (7,718 bytes)
This search system is powered by
Namazu