[600MRG] KU4XR Maiden Voyage on 630 meters

Ken Roberson kwroberson at yahoo.com
Sat Feb 17 17:01:25 EST 2018


AndyGood to hear that ur getting on 630M , If I can help let me know.You need a scopematch and some kind of O-Scope
 Check my web - site for info on the O-Scope that I use with scopematch.Ken K5DNL
www.k5dnl.com

    On Saturday, February 17, 2018, 1:55:51 PM CST, Andy - KU4XR via 600MRG <600mrg at mailman.qth.net> wrote:  
 
 Greetings all:

I have begun transmitting WSPR on 630 meters today .. as of this post, I have made 8 transmissions and the
transmit converter has not exploded .. It is doubtful that I will have any receptions during daylight, but hoping that
nighttime will yield results.. In short detail, the TPO is 20 watts ( best guess - wattmeter shows 30 watts ) into the 
loading coil , I know I can connect a DVM inline and measure PA Current, and I will at some point soon .. 
I checked SWR function with a dummy load to be sure the FWD/REF section showed something close.. 
The SWR showed 1.1 on the dummy load .. When I connected to the loading coil; I was surprised to only
need to move a couple of turns on both the matching, and loading ends of the coil, and the meter is showing 1.2 :1
whether I can trust that or not I don't know, but, it is all I have to use .. I ain't walkin off and leavin it !! still afraid it
might explode on any transmission . I really didn't think I would get this far along, so; I'll see how it goes..

73 all:

Andy - KU4XR
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