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1. [RTTY] External DSP devices (score: 1): Author: "K8JWT" <k8jwt@adelphia.net>; Date: Sun, 29 Jan 2006 19:57:39 -0500; I am looking into buying a external DSP device for contesting as my Yaesu FT-840 is crappy on SSB/RTTY as I can hear stations as far as 2.5KC away from me. Was loking at the MFJ-784B I think it is as; /archives//html/RTTY/2006-01/msg00675.html (6,785 bytes)
2. Re: [RTTY] External DSP devices (score: 1): Author: "Robert Chudek" <k0rc@citlink.net>; Date: Sun, 29 Jan 2006 21:59:59 -0600; Jacob, An external audio DSP unit will help fight some interference, but it is not the right answer to your problem. I have the Timewave DSP unit, but it is a disappointment for serious RTTY contesti; /archives//html/RTTY/2006-01/msg00683.html (9,128 bytes)
3. Re: [RTTY] External DSP devices (score: 1): Author: Peter Laws <plaws0@gmail.com>; Date: Mon, 30 Jan 2006 09:33:14 -0600; I came to the same conclusion 2 years ago. I had (well, still have) an Icom IC-725 that I used for a half-dozen or more contests back in '04 when I got back on the air seriously. I did OK with *no* f; /archives//html/RTTY/2006-01/msg00693.html (7,912 bytes)
4. Re: [RTTY] External DSP devices (score: 1): Author: "Don Hill AA5AU" <aa5au@bellsouth.net>; Date: Mon, 30 Jan 2006 16:34:23 -0600; Bob is correct on this one. An external DSP audio filter is not going to help you. I use the JPS NIR-12 (no longer available) on both radios and the only thing it does is make the audio sound nice to; /archives//html/RTTY/2006-01/msg00703.html (10,948 bytes)
5. Re: [RTTY] External DSP devices (score: 1): Author: "K8JWT" <k8jwt@adelphia.net>; Date: Mon, 30 Jan 2006 19:19:20 -0500; Thanks to everyone who replyed to my question. At this time a new radio is out of the question so it is something to look into in the future. Will think about the external DSP some more before purcha; /archives//html/RTTY/2006-01/msg00706.html (7,463 bytes)
6. Re: [RTTY] External DSP devices (score: 1): Author: "Robert Chudek" <k0rc@citlink.net>; Date: Mon, 30 Jan 2006 18:32:49 -0600; Well, there you have it... more sage advice! I'm not sure there's anymore secrets left to share! I agree with Don regarding the Icom IC-756 Pro III... I have one in the box waiting for my new ham sha; /archives//html/RTTY/2006-01/msg00708.html (10,829 bytes)
7. Re: [RTTY] External DSP devices (score: 1): Author: Bill Coleman <aa4lr@arrl.net>; Date: Tue, 31 Jan 2006 21:57:43 -0500; While these external devices certainly work, they can only have a limited amount of effectiveness. Any signal in the passband will pump the AGC of the rig before it gets to the audio stages of the DS; /archives//html/RTTY/2006-01/msg00735.html (8,380 bytes)
8. Re: [RTTY] External DSP devices (score: 1): Author: Bill Coleman <aa4lr@arrl.net>; Date: Tue, 31 Jan 2006 22:06:04 -0500; For that price range, you can buy a NEW K2/100 with the external KAT100 tuner. Of course, you'd have to build it, but that would be half the fun. The downside of the K2/100 is you can only run about; /archives//html/RTTY/2006-01/msg00737.html (8,512 bytes)
9. Re: [RTTY] External DSP devices (score: 1): Author: Jeff Stai <jds@twistedoak.com>; Date: Tue, 31 Jan 2006 19:26:42 -0800; roger that! I wouldn't say that - I have run the full 100W in a RTTY contest using two 12V 4" fans blowing down right on the heat sink. Stays cool as can be! - jeff wk6i -- Jeff Stai jds@twistedoak.c; /archives//html/RTTY/2006-01/msg00739.html (8,214 bytes)
10. Re: [RTTY] External DSP devices (score: 1): Author: "John Fleming" <john@wa9als.com>; Date: Wed, 1 Feb 2006 06:56:58 -0500; Read again carefully - I think you guys are in agreement! _______________________________________________ RTTY mailing list RTTY@contesting.com http://lists.contesting.com/mailman/listinfo/rtty; /archives//html/RTTY/2006-02/msg00000.html (6,157 bytes)
11. Re: [RTTY] External DSP devices (score: 1): Author: Jeff Stai <jds@twistedoak.com>; Date: Wed, 01 Feb 2006 11:05:19 -0800; but you CAN do 100W if you don't mind the wind and noise...;-) 73 - jeff wk6i -- Jeff Stai jds@twistedoak.com Twisted Oak Winery http://www.twistedoak.com/ Rocketry Org. of CA http://www.rocstock.org; /archives//html/RTTY/2006-02/msg00002.html (7,771 bytes)
12. Re: [RTTY] External DSP devices (score: 1): Author: Gordon LaPoint <gordon@neurophysics.com>; Date: Wed, 01 Feb 2006 07:22:02 -0500; The best radio for RTTY contesting is an IC-756 Pro series, which the Pro2 can be had for the $1500-$2000 range. The TPF filter mode is the best there is for RTTY rx. The band scope is invaluable onc; /archives//html/RTTY/2006-02/msg00008.html (8,830 bytes)

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