From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-we0-f171.google.com (mail-we0-f171.google.com [74.125.82.171]) (using TLSv1 with cipher RC4-SHA (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority" (verified OK)) by huchra.bufferbloat.net (Postfix) with ESMTPS id D830C200627 for ; Mon, 12 Mar 2012 16:51:06 -0700 (PDT) Received: by werm1 with SMTP id m1so6554445wer.16 for ; Mon, 12 Mar 2012 16:51:04 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; bh=Bf7iLx6yEaB030LKx2aMHxm8wHhLnqUy1AHp38N9q1Q=; b=ey8C3skgksaySNmhaxpo/XcvLpLoA1cGR5C9u2zeZbdcXd3iEroAD5CpElMS3yw66v +3HRF2Hpe+kyxZYrYpISsbIPflYjcaREBsxoik0f6Oz5jgtd07Ktbw6oVWPyOswPDIBA CKJMlf5p0P7u5fZ6QJIUyDej6ejTfrUpilAODK8SrSaFiY8kLEaZXk1/2FyLYeYy0svX mPzkO8SuZxmt3mC9262HAvao5eeJQUjXh1LZoIp1H/3sCif2n5ywXVC5MtA0G6NdGrBD 0dtn9ZzwMWri5lCdujPA4/D7EHwgSrkqJvyOecB4jRHdgwIk9Q0289tST5gBAJQ2gOoW 1Ftg== MIME-Version: 1.0 Received: by 10.180.95.74 with SMTP id di10mr2570285wib.1.1331596264882; Mon, 12 Mar 2012 16:51:04 -0700 (PDT) Received: by 10.223.151.8 with HTTP; Mon, 12 Mar 2012 16:51:04 -0700 (PDT) In-Reply-To: References: <20120312220623.GB18256@thyrsus.com> Date: Mon, 12 Mar 2012 16:51:04 -0700 Message-ID: From: Dave Taht To: esr@thyrsus.com Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Cc: thumbgps-devel@lists.bufferbloat.net Subject: Re: [Thumbgps-devel] the serial alternative/radio noise X-BeenThere: thumbgps-devel@lists.bufferbloat.net X-Mailman-Version: 2.1.13 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 12 Mar 2012 23:51:07 -0000 On Mon, Mar 12, 2012 at 4:22 PM, Dave Taht wrote: >> I have observational evidence that we have problems with many kinds of >> hardware and the cause is undefined, and varies by manufacturer. A better way to put my question is: what evidence do we have that a PPS signal over usb can provide better time? --=20 Dave T=E4ht SKYPE: davetaht US Tel: 1-239-829-5608 http://www.bufferbloat.net