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]
