Article: 51054 of rec.radio.amateur.digital.misc From: "Hank Oredson" References: <1126034244.688098.86810@g43g2000cwa.googlegroups.com> Subject: Re: 50.03 mhz spread spectrum? Message-ID: Date: Thu, 08 Sep 2005 04:59:07 GMT "HarryHydro" wrote in message news:1126034244.688098.86810@g43g2000cwa.googlegroups.com... > Hi Folks: > I've been getting interference from a rather strong transmission on > 50.00 or 50.03. It sounds like a slow spread-spectrum, hopping all > over the place. 50.03 sounds more like just a carrier, maybe a birdie. > The 'hopping' seems to be centered around 50.00.. I'm hearing and > 'seeing' this on an IFR Spectrum Analyzer with a loaded antenna on a > metal building. I'm hearing it now. Kinda had a rythm to it! Anyone > hear it? I'm in jersey, FN20ok Turn off any computers in the area. If that cures it, turn computers back on one at a time. Check ethernet cables. -- ... Hank http://home.earthlink.net/~horedson http://home.earthlink.net/~w0rli Article: 51055 of rec.radio.amateur.digital.misc From: N7ZZT - Eric Oyen Subject: Re: Amateur Radio Assistance to Katrina Disaster! References: Message-ID: Date: Fri, 09 Sep 2005 11:50:00 -0700 laborkei wrote: > I have been watching wwltv.com and wdsutv.com on the Internet. > I keep hearing about the lack of emergency services to communicate. > Does anyone know if any Amateur Operators are being engaged to assist? > > > -- lots of them. even showed up on fox news and nbc. unfortunately, the DHS/FEMA are trying very hard to keep everything on their plate (thus even hams with the American red cross are being told to pound sand in some cases). -- DE N7ZZT Eric Oyen Phoenix, Arizona e-mail: n7zzt(at)hotmail(dot)com the difference between intelligence and stupidity is that intelligence has its limits. Article: 51056 of rec.radio.amateur.digital.misc From: "Bla" Subject: Iridium...can you receive it ? Date: Tue, 13 Sep 2005 03:29:52 +0200 Message-ID: <29662$43262b89$3ec20f3b$27329@news.chello.nl> Hi, i'd like to invite those interested in Iridium to join our discussion-group where we currently look at the possibilties of receiving and decoding Iridium signals. As you may have noticed the Iridium satphone system has currently gained a lot of attention thanks to it's use in Iraq and in the Katrina area. Here's a few technical details: Handset TX-power is an average 0,6 Watts RX sensitivity is -118 dBM Frequency-band 1616-1626,5 MHz (L-Band) Duplex is Time Division Duplex TDD (RX/TX same freq) Data-rate 2400 Bd (V42b compression) Modulation is QPSK Acess/Multiplex is TDMA/FDMA Coverage: 100% Worldwide (sat in sight) Calls currently barred to: N.Korea,N.SriLanka Use forbidden in: Cuba,Iran,Libya,Sudan,Angola Services: Voice,Data,Paging,Voice PTT,Group calls Mobile < > Sat link=encryption NO (?) Sat < > Groundstation link-encryption YES (?) Sat < > Sat link-encryption: UNKNOWM (probably NO) Standard end-to-end encryption: NO Add-on encryption units available: YES To take part in this discussion sign up at: http://groups.yahoo.com/group/gsm-scanner membership is free,the group is moderated. this group is mainly talking about GSM and Cellphone interception,encryption and security but we will now extend our interests to satphones. Greetings contranl (moderator Yahoo group GSM-scanners)