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<P><FONT color=#000000><FONT size=2><FONT face=arial,sans-serif>US goverment keeps some of GPS altidude capability vauge for security purposes.</FONT></FONT></FONT></P>
<P><FONT color=#000000><FONT size=2><FONT face=arial,sans-serif><BR> </P></FONT></FONT></FONT>
<BLOCKQUOTE style="PADDING-LEFT: 5px; MARGIN-LEFT: 0px; BORDER-LEFT: #0000ff 2px solid">-----Original Message----- <BR>From: Alberto I2PHD <I2PHD@WEAKSIGNALS.COM><BR>Sent: Jul 26, 2012 10:58 AM <BR>To: HPSDR list <HPSDR@LISTS.OPENHPSDR.ORG><BR>Subject: Re: [hpsdr] Fwd: 1, 2, 3, 4, 5, 6, 7.... <BR><BR><ZZZHTML><ZZZHEAD><ZZZMETA content="text/html; charset=windows-1252" http-equiv="Content-Type"></ZZZHEAD><ZZZBODY text="#000000" bgcolor="#FFFFFF">
<DIV class=moz-cite-prefix>On 7/26/2012 1:42 PM, Simon HB9DRV wrote:<BR></DIV>
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<P class=MsoNormal><SPAN style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'">I have a Thunderbolt on my balcony; using Lady heather I can confirm that my house hasn’t moved by more than a few cms in the last year </SPAN><SPAN style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: Wingdings">J</SPAN></P></DIV></DIV></BLOCKQUOTE>Have you checked the altitude too ? My Thunderbolt tells me that from the morning to the evening of the same day<BR>my house moved up and down by almost 30 meters.... <SPAN class=moz-smiley-s1><SPAN> :-) </SPAN></SPAN> and the antenna is firmly attached to one of the chimneys....<BR><BR>I guess that is one of the reasons why GPS is not used on any aircraft, at least as an altitude measuring device...<BR><BR>
<DIV class=moz-signature>-- <BR><I><B>73 Alberto I2PHD</B></I> </DIV></ZZZBODY></ZZZHTML></BLOCKQUOTE></BODY><pre>
Tim O'Rourke
W4YN@ARRL.Net
Low Power Amateur Radio Rocks
Member of Flying Pigs,ARCI,GQRP,RSGB,ARRL Life Member
NHRA Life Member</pre>
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