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Total 51 documents matching your query.

21. [VHFcontesting] 902 MHz DEMI XVTR help fixing a PA spurious problem (score: 1)
Author: "Mike & Becca Krzystyniak" <k9mk@flash.net>
Date: Sun, 10 Feb 2008 16:49:00 -0600
Hi Guys, I was testing out a Motorola 902 cell amp yesterday. While bench testing the unit I noticed on the spectrum analyzer that there was what appeared to be a serious spurious problem. At first I
/archives//html/VHFcontesting/2008-02/msg00044.html (8,706 bytes)

22. [VHFcontesting] Water in LMR-900 coax, best practices to keep it out? (score: 1)
Author: "Mike & Becca Krzystyniak" <k9mk@flash.net>
Date: Sun, 8 Jun 2008 18:26:13 -0500
Hi guys, While getting things ready for the VHF contest this weekend I found some serious water intrusion on one of four LMR-900 feedlines. A run of LMR-900, that I thought was properly sealed up (3
/archives//html/VHFcontesting/2008-06/msg00061.html (8,465 bytes)

23. [VHFcontesting] Help with AS-2004 antenna switch (score: 1)
Author: "Mike & Becca Krzystyniak" <k9mk@flash.net>
Date: Mon, 23 Jun 2008 10:46:09 -0500
I bought an AS-2004 antenna switch. It looks like a DB6NT product in that it is in the same housing at the SSB series preamps. I am looking for a copy of or an on line link too the owners manual/inst
/archives//html/VHFcontesting/2008-06/msg00383.html (7,869 bytes)

24. [VHFcontesting] Looking for rear rubber bumpers used on HP 859X series Spec analyzers (score: 1)
Author: "Mike & Becca Krzystyniak" <k9mk@flash.net>
Date: Wed, 25 Jun 2008 07:06:00 -0500
Does anyone know of a source for, or where I can buy the rubber corner stand-off bumpers used on the back HP 859X series analyzers? Specifically the back ones so I can stand it on end? Thanks... 73's
/archives//html/VHFcontesting/2008-06/msg00390.html (7,199 bytes)

25. [VHFcontesting] Icom IC-910H with new UX-911 module? (score: 1)
Author: "Mike & Becca Krzystyniak" <k9mk@flash.net>
Date: Sun, 21 Dec 2008 17:28:27 -0600
I was thinking about adding a 1296 module to my IC-910H. While browsing eBay, I new see them for sale from Japan for substantially less that a UX-910 from one of the domestic retailers. Looking close
/archives//html/VHFcontesting/2008-12/msg00138.html (7,332 bytes)

26. Re: [VHFcontesting] next step in 432 (score: 1)
Author: "Mike & Becca Krzystyniak" <k9mk@flash.net>
Date: Mon, 9 Aug 2010 12:46:52 -0500
Steve, Is this for mobile (rover) or at home?? If the latter and you are not concerned about doing a little building (mods mostly), do not discount an old tube amp like the AM6155 amps. They can be f
/archives//html/VHFcontesting/2010-08/msg00051.html (9,423 bytes)

27. [VHFcontesting] Henry Series 200XA VHF Desk Top Amps (score: 1)
Author: "Mike & Becca Krzystyniak" <k9mk@flash.net>
Date: Fri, 11 Feb 2011 08:30:02 -0600
Does anyone know or have a copy of the procedure for calibrating the grid current meter, either directly or using the "Grid Meter Test Point" located on the rear panel? Thanks in advance. Mike K9MK _
/archives//html/VHFcontesting/2011-02/msg00011.html (8,323 bytes)

28. Re: [VHFcontesting] [Mw] How do you know if an MRF-247 is real? (score: 1)
Author: "Mike & Becca Krzystyniak" <k9mk@flash.net>
Date: Thu, 14 Apr 2011 15:22:14 -0500
I looked at the item on eBay and they pass the common sense test but I have heard rumors of counterfit parts coming from China where performance was off from the branded part. The MRF-247's were buil
/archives//html/VHFcontesting/2011-04/msg00037.html (8,914 bytes)

29. Re: [VHFcontesting] [Mw] How do you know if an MRF-247 is real? (score: 1)
Author: "Mike & Becca Krzystyniak" <k9mk@flash.net>
Date: Sun, 17 Apr 2011 12:31:03 -0500
Last ship date of MRF-247's was November 2003. Date codes after that are most likely counterfeit. The MRF-247 was one off the highest running RFR power parts Moto-Semi (now Freescale) made. Another o
/archives//html/VHFcontesting/2011-04/msg00045.html (12,873 bytes)

30. Re: [VHFcontesting] [Mw] How do you know if an MRF-247 is real? (score: 1)
Author: "Mike & Becca Krzystyniak" <k9mk@flash.net>
Date: Tue, 19 Apr 2011 15:56:35 -0500
I spoke with our resident Freescale applications engineer today. To his knowledge, FS (ex Moto Semi) never licensed this part to anyone else. Caveat emptor... Mike K9MK I ran across a manufacturer, A
/archives//html/VHFcontesting/2011-04/msg00049.html (15,233 bytes)

31. [VHFcontesting] FT-736R users, 12V DC Cable Connector Question (score: 1)
Author: "Mike & Becca Krzystyniak" <k9mk@flash.net>
Date: Thu, 8 Sep 2011 11:46:08 -0500
I want to run my FT-736r off of a DC supply for the contest this weekend. I was trying to determine the wiring into the rig but the schematic I have seems somewhat ambiguous on what wires go to which
/archives//html/VHFcontesting/2011-09/msg00035.html (7,675 bytes)

32. Re: [VHFcontesting] 222 MHz radios (score: 1)
Author: "Michael Krzystyniak" <k9mk@flash.net>
Date: Fri, 9 Dec 2011 08:41:29 -0600
Dave, Here in the DFW area, the bulk of my QSO's are on SSB with my Yaesu FT-736r, however I do work a lesser number of people on FM too. The latter are usually new to contesting operators that haven
/archives//html/VHFcontesting/2011-12/msg00015.html (11,111 bytes)

33. Re: [VHFcontesting] 2011 ARRL June VHF Certificates (score: 1)
Author: "Mike & Becca Krzystyniak" <k9mk@flash.net>
Date: Mon, 4 Jun 2012 19:16:42 -0500
Ditto, nice work on the redesign! 73 Mike K9MK --Original Message-- From: vhfcontesting-bounces@contesting.com [mailto:vhfcontesting-bounces@contesting.com] On Behalf Of John_JK Kalenowsky_K9JK Sent:
/archives//html/VHFcontesting/2012-06/msg00032.html (8,879 bytes)

34. Re: [VHFcontesting] VHF Infusion (score: 1)
Author: "Mike & Becca Krzystyniak" <k9mk@flash.net>
Date: Thu, 19 Sep 2013 10:48:26 -0500
Yup, here in north Texas the participation was the worse I have seen in many years. I had great expectations as DFW has one of the largest contest group now with 135 members, and only a couple mmade
/archives//html/VHFcontesting/2013-09/msg00101.html (11,277 bytes)

35. [VHFcontesting] RE2: Announcements and VHF contesting.... (score: 1)
Author: "Mike & Becca Krzystyniak" <k9mk@flash.net>
Date: Sun, 22 Sep 2013 14:12:50 -0500
Greetings, Although I "play" often in both HF and VHF contests, I firmly believe that HF and VHF are two completely different landscapes to operate within. On the VHF side, I think the operators adap
/archives//html/VHFcontesting/2013-09/msg00146.html (19,324 bytes)

36. Re: [VHFcontesting] Magic in the September VHF Contest (score: 1)
Author: Mike Krzystyniak <k9mk@flash.net>
Date: Fri, 27 Sep 2013 11:35:07 -0700 (PDT)
     I for one do not get on during the contests, or any other time for that matter with the intent of being on one end of these openings.  But when it does happen I am as excited as the next guy and
/archives//html/VHFcontesting/2013-09/msg00215.html (13,877 bytes)

37. [VHFcontesting] Selling Icom UHF All Mode Rig and KW Amp (score: 1)
Author: "Mike & Becca Krzystyniak" <k9mk@flash.net>
Date: Sat, 2 Apr 2016 08:38:35 -0500
Greetings All, Due to declining health Mike Baker W8CM (QTH is up in Van Alstyne just north of Dallas) continues to sell off his VHF/UHF gear and antennas. Ready for immediate sale are; An Icom IC-47
/archives//html/VHFcontesting/2016-04/msg00002.html (7,300 bytes)

38. [VHFcontesting] Source of SSB Pre Amp covers (score: 1)
Author: "Mike & Becca Krzystyniak" <k9mk@flash.net>
Date: Wed, 13 Apr 2016 08:25:02 -0500
Greetings, A recent hail storms damaged a few of the plastic covers on my SSB VHF/UHF Preamps. Are replacements for these available anywhere? Or maybe a suitable substitute? Thanks in advance... 73's
/archives//html/VHFcontesting/2016-04/msg00033.html (7,258 bytes)

39. Re: [VHFcontesting] IC910H Power Output Question (score: 1)
Author: "Mike & Becca Krzystyniak" <k9mk@flash.net>
Date: Fri, 13 May 2016 07:02:34 -0500
Hi Merle, Good to see your units numbers coming up. My 910H makes spec but like the others it is sensitive to supply voltage. Are you using the Icom supply or another? I also have my supply adjusted
/archives//html/VHFcontesting/2016-05/msg00050.html (11,044 bytes)

40. Re: [VHFcontesting] W5MRB - Silent Key (score: 1)
Author: "Mike & Becca Krzystyniak" <k9mk@flash.net>
Date: Sat, 6 Aug 2016 08:49:25 -0500
I worked Mike many times during the contests. Always a good signal, and willing to try any band he had with you. Thanks for sharing this Steve... Mike will be missed. Mike K9MK/5 EM12ji I'm sorry to
/archives//html/VHFcontesting/2016-08/msg00008.html (8,779 bytes)


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