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Total 6 documents matching your query.

1. [TenTec] TX EQ = -14 dB for PSK31 (score: 1): Author: "John K Gotwals" <john@gotwals.com>; Date: Thu, 28 Dec 2006 16:15:18 -0500; Due to the kind generosity of Ken, W8KEB, I have been able to use my Orion I with PSK31. It has been pointed out to me by N7GVV that the table in Figure 4-6 on page 43 of the Orion Operator's Manual; /archives//html/TenTec/2006-12/msg00752.html (7,180 bytes)
2. Re: [TenTec] TX EQ = -14 dB for PSK31 (score: 1): Author: "Merle Bone" <merlebone@charter.net>; Date: Fri, 29 Dec 2006 16:40:21 -0600; Mark said: " So, it would seem adjusting the mic gain with full output would be more accurate for psk31 (or other data) work." -- As was indicated earlier, a major issue with PSK31 transmissions is "; /archives//html/TenTec/2006-12/msg00794.html (8,560 bytes)
3. Re: [TenTec] TX EQ = -14 dB for PSK31 (score: 1): Author: "Ron Castro" <ronc@sonic.net>; Date: Fri, 29 Dec 2006 15:05:08 -0800; The majority of IMD problems in PSK-31 are a result of trying to drive a microphone-level input on a transceiver with a speaker-level output from a computer sound card. That's about 40 dB too much au; /archives//html/TenTec/2006-12/msg00795.html (10,159 bytes)
4. Re: [TenTec] TX EQ = -14 dB for PSK31 (score: 1): Author: "Dr. Gerald N. Johnson" <geraldj@storm.weather.net>; Date: Fri, 29 Dec 2006 18:18:13 -0600; Providing the ALC gain control introduces no phase shifts. With ears being insensitive to absolute phase or even phase differences between harmonic components, there is no need for a voice transmitte; /archives//html/TenTec/2006-12/msg00796.html (8,691 bytes)
5. Re: [TenTec] TX EQ = -14 dB for PSK31 (score: 1): Author: "Merle Bone" <merlebone@charter.net>; Date: Fri, 29 Dec 2006 19:40:04 -0600; Ron Castro (N6IE) said: "Since PSK-31 works by shifting phase, the amplitude variations caused by ALC shouldn't have any significant effect on either the IMD or readability of this signal." -- Ron, w; /archives//html/TenTec/2006-12/msg00800.html (8,614 bytes)
6. Re: [TenTec] TX EQ = -14 dB for PSK31 (score: 1): Author: "Ron Castro" <ronc@sonic.net>; Date: Fri, 29 Dec 2006 18:19:09 -0800; An ALC won't introduce any more sidebands to PSK-31 signal than the amount of sidebands it would add to a CW signal in the form of additional key clicks over and above those caused by the initial gen; /archives//html/TenTec/2006-12/msg00801.html (10,366 bytes)

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