A longer version of EME? No it stands for Military Amateur Radio Service. Before fiber optics made overseas calling cheap most US overseas bases had a MARS station to facilitate phone patches to the dependents. Now they are mostly an emergency backup or auxiliary. 73 Fred, AE6QL
-----Original Message----- From: Elecraft [mailto:[email protected]] On Behalf Of web.de Sent: Tuesday, April 07, 2015 1:53 AM To: [email protected] Cc: [email protected] Subject: Re: [Elecraft] 2-30 MHz Transmit? Hello, Just for me as a Kraut, what is MARS? Christian Von meinem iPad gesendet > Am 06.04.2015 um 19:04 schrieb Matt Zilmer <[email protected]>: > > Hi Jay, > > I use my older K3 and a newer one on MARS frequencies. The KX3 is > used as a MARS ECOM / mobile unit with the KXPA100 amp. > > The K3 has a TX donut hole around the 8.2 MHz IF. I think TX is > locked out from 7.5 to 9.0 MHz (if memory serves). The KX3 has no > such restriction, being a Zero IF transceiver. > > Elecraft customer support can assist you with the unlock programs > needed. You may have to supply your MARS credentials, but I'm not > sure how that is handled today. It's been a while since I unlocked my > radios here. > > Except for the K3's IF range, I've found no problems with TX and RX > from around 2.8 MHz to 25 MHz. KBPF3 use is recommended though, so > that you have enough gain between ham bands. Otherwise, the > sensitivity falls off in between bands. Note: There is very little > MARS / SHARES activity above 20 MHz. > > I'm also using the KX3's 2m module to work an above-and-below MARS VHF > repeater split, plus the odd set of simplex frequencies NMCM has > around 2m. > > Again, from memory, Elecraft specifies performance inside the ham > bands. I don't believe there are any published specs for general > coverage. I haven't found any problems with between-band operation - > plenty of sensitivity and dynamic range, etc. > > 73! > matt W6NIA / NNN0UET > > > >> On Mon, 6 Apr 2015 09:37:12 -0700, you wrote: >> >> Can someone furnish the exact "unlocked" or MARS transmit frequency >> specifications for the K2, KX3 and K3? >> >> >> >> I think some of these radios may have gaps - due to RF filtering, IF, etc. >> >> >> >> Also, what about the unlocked transmit specs for VHF in these radios? >> >> >> >> Thanks, >> >> >> >> Jay >> >> W6CJ >> >> ______________________________________________________________ >> Elecraft mailing list >> Home: http://mailman.qth.net/mailman/listinfo/elecraft >> Help: http://mailman.qth.net/mmfaq.htm >> Post: mailto:[email protected] >> >> This list hosted by: http://www.qsl.net Please help support this >> email list: http://www.qsl.net/donate.html Message delivered to >> [email protected] > Matt Zilmer, W6NIA > -- > "Always store beer in a dark place." -R. Heinlein > > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[email protected] > > This list hosted by: http://www.qsl.net Please help support this email > list: http://www.qsl.net/donate.html Message delivered to > [email protected] ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [email protected] ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [email protected]
