[MRCA] SAQ received in Chickenland
Al Klase
ark at ar88.net
Wed Dec 24 19:45:13 EST 2014
Good going, Breck.
Once again, Location, Location, Location
Merry Christmas,
Al
Al Klase -- N3FRQ
Jersey City, NJ
http://www.skywaves.ar88.net/
On 12/24/2014 2:28 PM, B. Smith wrote:
> We sat up again at Port Mahon Delaware and set up at approx 06:30Z
> (01:30 local). Mission was to test out a small 3 foot loop which was
> designed to fit inside and not "on top" of my 86 Suburban War Wagon.
> We had a major winter storm rapidly approaching from the South West on
> our tails and I was in a hurry to get setup before the storm and get
> inside the war wagon to play radio and to stay dry.
>
> The 3 foot loop had 36 turns and had a measure inductance of approx
> 28 mH. I used a varicap control box mounted at the loop base with a
> remote pot and a 9 volt battery via a 15 foot control line to bias 5
> NTE 129 varicaps in the box (BTW ordinary diodes can be used) to
> supplement a fixed capacitance of 3000 pf and to be able to tune the
> antenna plus or minus 1.5 Kcs . Since it was going to be raining and
> windy I took a compass bearing and aligned the antenna axis on a
> magnetic bearing of 048 degrees plus or minus 5 . (True bearing 036
> corrected for 12 degrees of "West" variation).
>
> At first I did not hear SAQ doing the usual tune up at the half hour
> before the normal broadcast but finally picked up a steady carrier
> approx 17 minutes before the scheduled broadcast time of 08:00Z. It
> was interesting to listen to the carrier slowly increase and get
> louder and louder as they peaked the system. Anyway we picked up the
> tune up session and the broadcast. Signal report using the standard
> RST system was R 2 to 3 S 2 to 3 and T of 9. If you are not
> familiar with the RST system see:
> http://en.wikipedia.org/wiki/RST_code
>
> I had the APRS on and it should still be on Google APRS or just enter
> K4CHE without any dash or slant bar etc. Not sure how long the data
> stays stored on Google.
> http://aprs.fi/#!mt=roadmap&z=11&call=a%2FK4CHE&timerange=3600&tail=3600
>
> Mission Accomplished . . . the
> smaller loop worked fine, signals very weak but easily picked out of
> the noise. Set up was easy, take down was wet.
>
> A spooky place at oh dark thirty but the rain was warm reminding me of
> another far off place.
> A Christmas Eve adventure in Delaware.
> I will try to post some photos and loop construction info.
> Now off to finish wrapping presents.
>
> Merry Christmas
> Z
>
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