Wikipedia has a pretty good explanation on the history and current mission of the MARS services:
http://en.wikipedia.org/wiki/Military_Auxiliary_Radio_System On Tue, Apr 7, 2015 at 7:05 AM, Matt Zilmer <[email protected]> wrote: > Military Auxiliary Radio System. > > 73, > matt W6NIA > > > On Tue, 7 Apr 2015 10:53:26 +0200, you wrote: > > >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] > 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] > -- Owner, worldwidedx.com AE6LX, Amateur Radio NNN0ITA, Navy MARS NNN0GAF FOUR, Southern CA Director Assistant for Training, Navy MARS ______________________________________________________________ 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]
