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41. Re: [RTTY] Topband: 160m in RTTY Contests (score: 1)
Author: "Joe Subich, W4TV" <lists@subich.com>
Date: Sun, 1 Nov 2009 01:03:55 -0400
While it is certainly possible to make QSOs using RTTY on 160 meters, it is far from optimum given the constant multipath conditions and poor SNR that exists on the band. It would certainly be possi
/archives//html/RTTY/2009-10/msg00262.html (12,968 bytes)

42. Re: [RTTY] Topband: 160m in RTTY Contests (score: 1)
Author: "Joe Subich, W4TV" <lists@subich.com>
Date: Sun, 1 Nov 2009 01:44:45 -0400
There goes Bill again ... writing what he "wishes" were true without any understanding of the physics behind the subject and ignoring the experts in the field. 45 baud, 170 Hz FSK has a well establi
/archives//html/RTTY/2009-10/msg00264.html (10,740 bytes)

43. Re: [RTTY] Topband: 160m in RTTY Contests (score: 1)
Author: "Joe Subich, W4TV" <lists@subich.com>
Date: Sun, 1 Nov 2009 09:44:45 -0500
Let's see ... that means I should be free to yell "Fire!" the next time I go to the theater, drive past the school your children or grandchildren attend at 120 MPH, burn old tires on the lot next to
/archives//html/RTTY/2009-11/msg00004.html (11,634 bytes)

44. Re: [RTTY] Topband: 160m in RTTY Contests (score: 1)
Author: "Joe Subich, W4TV" <lists@subich.com>
Date: Sun, 1 Nov 2009 10:57:24 -0500
The scenarios I detailed are not universally outlawed just like RTTY on 160 meters is not universally outlawed (it is outlawed in some countries). The scenarios show that just because you can do som
/archives//html/RTTY/2009-11/msg00010.html (16,337 bytes)

45. Re: [RTTY] Any EQSL is invalid (score: 1)
Author: "Joe Subich, W4TV" <lists@subich.com>
Date: Sat, 7 Nov 2009 10:10:11 -0500
Unfortunately there were too many instances of 17 meter cards being modified and submitted as 160 Meter cards. The Awards Committee remains unconvinced that the field checkers have the ability to de
/archives//html/RTTY/2009-11/msg00048.html (8,328 bytes)

46. Re: [RTTY] QSL survey (score: 1)
Author: "Joe Subich, W4TV" <lists@subich.com>
Date: Thu, 10 Dec 2009 17:06:43 -0500
YES - my preferred method. No - after more than a half dozen requests for "confirmations" by a certain middle-eastern station for QSOs for which I had cards in hand and, in some cases, LotW confirma
/archives//html/RTTY/2009-12/msg00040.html (8,999 bytes)

47. Re: [RTTY] Need to change GU0SUP setup (score: 1)
Author: "Joe Subich, W4TV" <lists@subich.com>
Date: Mon, 28 Dec 2009 16:40:27 -0500
Phil, If you want conventional ports and have open slots (either PCI or PCI-Express) look at port cards from Syba or StarTech (www.newegg.com). The cards based on the MosChip chipsets seem to be fair
/archives//html/RTTY/2009-12/msg00104.html (13,607 bytes)

48. Re: [RTTY] Re GU0SUP change (score: 1)
Author: "Joe Subich, W4TV" <lists@subich.com>
Date: Tue, 29 Dec 2009 10:14:34 -0500
Both USB II and USB III have a separate driver connected to the DTR line that can be used with MMTTY/EXTFSK or "Software FSK (DTR)" in Writelog. DTR is the same line as used for CW but the separate
/archives//html/RTTY/2009-12/msg00112.html (11,077 bytes)

49. Re: [RTTY] Netbook USB FSK WL (score: 1)
Author: "Joe Subich, W4TV" <lists@subich.com>
Date: Thu, 31 Dec 2009 18:08:23 -0500
Mike, Which version of Writelog? Select "Software generated FSK TxD" or "Software generated FSK DTR" depending on the way you normally configure EXTFSK and select the port you normally use for EXTFSK
/archives//html/RTTY/2009-12/msg00135.html (8,384 bytes)

50. Re: [RTTY] Sound Cards (score: 1)
Author: "Joe Subich, W4TV" <lists@subich.com>
Date: Wed, 20 Jan 2010 13:29:58 -0500
SDR operation is a very different paradigm than decoding the relatively narrow band audio spectrum for MMTTY, etc. The detected IF noise in the line output of most current transceivers is well above
/archives//html/RTTY/2010-01/msg00216.html (9,850 bytes)

51. Re: [RTTY] Windows 7 and USB to Serial adapters (score: 1)
Author: "Joe Subich, W4TV" <lists@subich.com>
Date: Fri, 22 Jan 2010 17:23:23 -0500
Have Prolific fixed the bug that provides interrupt before data and triggers the 8020 error in software written in VB6 and/or compiled with those compilers that use the Microsoft Communications Toolb
/archives//html/RTTY/2010-01/msg00245.html (8,590 bytes)

52. Re: [RTTY] Writelog/Microham Interfacer III (score: 1)
Author: "Joe Subich, W4TV" <lists@subich.com>
Date: Sun, 24 Jan 2010 23:46:04 -0500
Get the file u2_Writelog_setup.pdf from the files area of the microHAM list on Yahoo (http://groups.yahoo.com/group/microHAM) or via the "Help | Download Documents" link in microHAM Router. Since the
/archives//html/RTTY/2010-01/msg00266.html (10,130 bytes)

53. Re: [RTTY] message speed calculation (score: 1)
Author: "Joe Subich, W4TV" <lists@subich.com>
Date: Tue, 26 Jan 2010 00:17:21 -0500
A good estimate is the number of characters x 0.165 seconds. Each number/punctuation/space counts as TWO characters (this gives an approximate correction for unshift on space). If your software uses
/archives//html/RTTY/2010-01/msg00300.html (8,104 bytes)

54. Re: [RTTY] High Speed RTTY again (score: 1)
Author: "Joe Subich, W4TV" <lists@subich.com>
Date: Thu, 28 Jan 2010 19:05:27 -0500
If your filter is truly 250 Hz at -6dB, it is too narrow for even 45.45 baud 170 Hz shift RTTY as the required bandwidth is roughly 270 Hz. Most "250 Hz" filters are actually wider - often between 3
/archives//html/RTTY/2010-01/msg00424.html (12,405 bytes)

55. Re: [RTTY] High Speed RTTY again (score: 1)
Author: "Joe Subich, W4TV" <lists@subich.com>
Date: Thu, 28 Jan 2010 20:40:29 -0500
Yes, MMTTY supports it ... go to the "decode" tab, select 8 bit, 2 stop bits and your choice or parity. as well as the baud rate. It's probably wise to find an optimized BPF on the "demodulator" tab
/archives//html/RTTY/2010-01/msg00428.html (12,503 bytes)

56. Re: [RTTY] High Speed RTTY again (score: 1)
Author: "Joe Subich, W4TV" <lists@subich.com>
Date: Fri, 29 Jan 2010 11:09:07 -0500
Roger, Are you using the cascaded filters (both 2nd and 3rd IF) or in the case of the "250" only one? Yaesu's bandwidth specs are a bit misleading since they are for both filters in cascade. For 500
/archives//html/RTTY/2010-01/msg00439.html (19,760 bytes)

57. Re: [RTTY] N1MM Logger (score: 1)
Author: "Joe Subich, W4TV" <lists@subich.com>
Date: Fri, 29 Jan 2010 11:19:36 -0500
Have you set the "Dig Wind Nr" in the "Digital" port configuration? Are you using a UART (motherboard serial port) or a USB Port with EXTFSK? Have you set the MMTTY mode in the "Digital Modes" tab? S
/archives//html/RTTY/2010-01/msg00440.html (8,112 bytes)

58. Re: [RTTY] Radio stops sending messages (score: 1)
Author: "Joe Subich, W4TV" <lists@subich.com>
Date: Sat, 13 Feb 2010 00:48:14 -0500
In MMTTY, open the MISC tab (in set-up) and click the "USB Port" button. Select "C: Limiting Speed" ... also use the PTT from MMTTY (DTR on the same port at FSK) and not the WriteLog PTT on the CW po
/archives//html/RTTY/2010-02/msg00076.html (7,934 bytes)

59. Re: [RTTY] Radio stops sending messages (score: 1)
Author: "Joe Subich, W4TV" <lists@subich.com>
Date: Sat, 13 Feb 2010 16:38:14 -0500
ALWAYS, ALWAYS, ALWAYS, set Comm PTT: NO. Writelog does not time the RTTY data but simply dumps it to the buffer. When Writelog has finished dumping data to the buffer it drops PTT (sends a PTT OFF
/archives//html/RTTY/2010-02/msg00078.html (11,253 bytes)

60. Re: [RTTY] Radio stops sending messages (score: 1)
Author: "Joe Subich, W4TV" <lists@subich.com>
Date: Sun, 14 Feb 2010 12:07:50 -0500
Then you have other problems in your configuration. Assuming this is with MMTTY and Writelog see the example configuration at: www.microham.com/Downloads/MK2R_WriteLog_USB_%20Setup.pdf "Comm PTT" is
/archives//html/RTTY/2010-02/msg00081.html (15,698 bytes)

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