<HTML><BODY style="word-wrap: break-word; -khtml-nbsp-mode: space; -khtml-line-break: after-white-space; ">I don't know about whether it makes a difference or not, but I do know that the higher frequency means that the signal's wavelength will be much shorter than that for 72 MHz and I would think that the 2.4 GHz signal would be susceptible to distortion from an adjacent 72 MHz antenna. However, what do I know about electronics and radio frequency distortion; I'm an aeronautical engineer?<DIV><BR class="khtml-block-placeholder"></DIV><DIV>Ron</DIV><DIV><BR class="khtml-block-placeholder"><DIV><DIV><DIV>On Sep 7, 2007, at 12:28 PM, george w. kennie wrote:</DIV><BR class="Apple-interchange-newline"><BLOCKQUOTE type="cite"> <DIV><FONT face="Arial" size="2">I would guess that when you plug in the S.S. module, the original output signal path is interupted and redirected to the 2.4 antenna. So with no signal going to the original antenna it doesn't make any difference whether you remove it, leave it in, extend it, or collapse it, ..........it's just along for the ride. </FONT></DIV> <DIV><FONT face="Arial" size="2"></FONT> </DIV> <DIV><FONT face="Arial" size="2"></FONT> </DIV> <DIV><FONT face="Arial" size="2"></FONT> </DIV> <BLOCKQUOTE style="PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px"> <DIV style="FONT: 10pt arial">----- Original Message ----- </DIV> <DIV style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: black"><B>From:</B> <A title="davidsmith@ns.sympatico.ca" href="mailto:davidsmith@ns.sympatico.ca">Dave Smith</A> </DIV> <DIV style="FONT: 10pt arial"><B>To:</B> <A title="nsrca-discussion@lists.nsrca.org" href="mailto:nsrca-discussion@lists.nsrca.org">NSRCA Mailing List</A> </DIV> <DIV style="FONT: 10pt arial"><B>Sent:</B> Friday, September 07, 2007 1:08 PM</DIV> <DIV style="FONT: 10pt arial"><B>Subject:</B> Re: [NSRCA-discussion] Futaba 9z with Spektrum SPMMSFUT7</DIV> <DIV><BR></DIV> <DIV><FONT face="Arial" size="2">According to Krysta,the antenna for the 9C just retracts into its case. I would guess other Futaba TX's would have the same feature.</FONT></DIV> <DIV><FONT face="Arial" size="2"></FONT> </DIV> <DIV><FONT face="Arial" size="2">Dave</FONT></DIV> <BLOCKQUOTE style="PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px"> <DIV style="FONT: 10pt arial">----- Original Message ----- </DIV> <DIV style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: black"><B>From:</B> <A title="bob@toprudder.com" href="mailto:bob@toprudder.com">Bob Richards</A> </DIV> <DIV style="FONT: 10pt arial"><B>To:</B> <A title="nsrca-discussion@lists.nsrca.org" href="mailto:nsrca-discussion@lists.nsrca.org">NSRCA Mailing List</A> </DIV> <DIV style="FONT: 10pt arial"><B>Sent:</B> Friday, September 07, 2007 1:48 PM</DIV> <DIV style="FONT: 10pt arial"><B>Subject:</B> Re: [NSRCA-discussion] Futaba 9z with Spektrum SPMMSFUT7</DIV> <DIV><BR></DIV> <DIV>I have not removed my 72mhz antenna. Of course, I have not flown it yet. I'll have to review the instructions to see what they say. I can't imagine the antenna would have to be removed, just fully retracted.</DIV> <DIV> </DIV> <DIV>Bob R.</DIV> <DIV><BR><BR><B><I>Ron Van Putte <<A href="mailto:vanputte@cox.net">vanputte@cox.net</A>></I></B> wrote:</DIV> <BLOCKQUOTE class="replbq" style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #1010ff 2px solid">I assume that you must remove the 72 MHz antenna from the transmitter <BR>in order to have the Futaba TM-7 module function at its best. True?<BR><BR>Where are the TM-7 module and R607FS receiver available? Tower still <BR>says availability in "early September".<BR><BR>Ron<BR><BR>On Sep 7, 2007, at 9:36 AM, Bob Richards wrote:<BR><BR>> >>>Futaba ought to be ashamed of putting this out!<BR>> Jerry<BR>> <<<<BR>><BR>> Pardon me, but this was NOT Futaba, this was Spektrum.<BR>><BR>> I have just purchased the TM-7 2.4ghz module, that was made by <BR>> Futaba. Does not look like a kludge to me, IMHO. I can very easily <BR>> swap between the 2.4ghz and 72mhz modules at any time (and probably <BR>> will for a while).<BR>><BR>> Bob R.<BR>><BR>><BR>><BR>> _______________________________________________<BR>> NSRCA-discussion mailing list<BR>> <A href="mailto:NSRCA-discussion@lists.nsrca.org">NSRCA-discussion@lists.nsrca.org</A><BR>> <A href="http://lists.nsrca.org/mailman/listinfo/nsrca-discussion">http://lists.nsrca.org/mailman/listinfo/nsrca-discussion</A><BR><BR>_______________________________________________<BR>NSRCA-discussion mailing list<BR><A href="mailto:NSRCA-discussion@lists.nsrca.org">NSRCA-discussion@lists.nsrca.org</A><BR>http://lists.nsrca.org/mailman/listinfo/nsrca-discussion<BR></BLOCKQUOTE><BR><DIV> <BR class="khtml-block-placeholder"></DIV><HR><DIV><BR class="khtml-block-placeholder"></DIV>_______________________________________________<BR>NSRCA-discussion mailing list<BR><A href="mailto:NSRCA-discussion@lists.nsrca.org">NSRCA-discussion@lists.nsrca.org</A><BR>http://lists.nsrca.org/mailman/listinfo/nsrca-discussion <DIV> <BR class="khtml-block-placeholder"></DIV><HR><DIV><BR class="khtml-block-placeholder"></DIV>No virus found in this incoming message.<BR>Checked by AVG Free Edition. <BR>Version: 7.5.485 / Virus Database: 269.13.5/990 - Release Date: 9/4/2007 10:36 PM<BR></BLOCKQUOTE><DIV> <BR class="khtml-block-placeholder"></DIV><HR><DIV><BR class="khtml-block-placeholder"></DIV>_______________________________________________<BR>NSRCA-discussion mailing list<BR><A href="mailto:NSRCA-discussion@lists.nsrca.org">NSRCA-discussion@lists.nsrca.org</A><BR>http://lists.nsrca.org/mailman/listinfo/nsrca-discussion</BLOCKQUOTE><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">_______________________________________________</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">NSRCA-discussion mailing list</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><A href="mailto:NSRCA-discussion@lists.nsrca.org">NSRCA-discussion@lists.nsrca.org</A></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><A href="http://lists.nsrca.org/mailman/listinfo/nsrca-discussion">http://lists.nsrca.org/mailman/listinfo/nsrca-discussion</A></DIV> </BLOCKQUOTE></DIV><BR></DIV></DIV></BODY></HTML>