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Re: [RTTY] PSN Modulation & PSK31 with Icom

To: "Don Hill AA5AU" <aa5au@bellsouth.net>,"'RTTY Reflector'" <rtty@contesting.com>
Subject: Re: [RTTY] PSN Modulation & PSK31 with Icom
From: "John Fleming" <john@wa9als.com>
Date: Mon, 29 Nov 2004 21:50:44 -0500
List-post: <mailto:rtty@contesting.com>
Can someone tell me what this PSN modulation is and what advantage it is for SSB
(not PSK31 obviously).

All Mode Digital Modulation and Demodulation


Let's start with the modulation and demodulation of the signals. For signal purity and clarity, an all mode digital PSN (Phase Shift Network) system has been incorporated into the DSP system. For transmit, this greatly reduces the intermodulation distortion, pro-ducing the highest quality transmit audio. While the PSN sepa-rates the signal from noise by phasing out noise and other unwanted signals.



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