Saturday, September 29, 2012

SPRINT - last microwave contest of the season

I have attended the SPRINT contest from YMCA parking lot in EM48sq on Saturday, September 29, 2012. This was my last microwave activity of the season, for I have to make series of business trips for the rest of the year.

I have achieved one significant goal today - finally, after nearly a year of trying and trying, I have worked Zack W9SZ on 10GHz CW from his location in EN50rl, over 160 miles away. This is my grid #6 from my YMCA location. Thanks for all the patience, Zack!

More details about today's SLAMS club event are available here.

My station today

Terrain profile

Hepburn chart

Weather conditions

Vapor image
(I believe that this made the difference)

73 Herbert
AF4JF






Sunday, September 9, 2012

ARRL VHF Contest

I have spent several hours making QSOs in the ARRL VHF Contest today. Chosen location for this was Winfield, MO in EM49 once again. I went there to test this new location on 23cm and for another attempt on 10GHz with Garth W0GR. There were several attempts made during last two weeks, see my other posting here. There even was a successful attempt earlier this week, described in my posting here.

EM49pa

I have heard Garth on 10368.1 MHz about S2-3 in the morning, right at the sunrise in my location. My dish antenna was pointing 5deg. up. Generally, Garth's signal was much weaker than during our last successful attempt earlier this week. Neither Garth nor myself have copied the WB9PNU/B beacon on 10GHz this morning. We didn't make full 2-way QSO today.

Pointing 270deg. towards W0GR

Garth didn't copy my signal on 10GHz this morning. However, we managed to work each other on 144MHz, 432MHz and 1296MHz with solid copy on each band. 

Eggbeater for 144 and Yagi for 1296 and 432MHz

I have also worked John WB9PNU from his home in EM48tm on 144, 432 and 1296MHz and Jim N5MU who was testing another promising portable location in St. Peters area, EM48qr on 144 and 1296MHz.

Pointing  432/1296MHz at John/Jim in EM48

Overall, a successful test, even without complete 10GHz QSO with W0GR. It's nearly 200 miles to his location and we managed full 2-way contact on 1296MHz, after all.

Included below are pictures from the nearby River Dam and Lock in Winfield.




I will certainly return to this beautiful location, either for more HAM QSOs or just to enjoy the view of the huge Mississippi River!

73 Herbert
AF4JF





Thursday, September 6, 2012

ARRL VHF and SPRINT Microwave Contests



I will be QRV on 144-432-1296 and 10368 from EM49pa in the ARRL VHF Contest this coming Sunday 09/09 between 6:30am - approx. 10:00am.

Going to a series of business trips after that. However, I should be in St. Louis for last weekend of September.

I expect to attend SPRINT Microwave contest on Saturday 09/29 from EM48 and EM49 as a ROVER, using 1296 and 10368 only. My intention is to MOVE around EM49 in order to find good new location and also make at least one QSO from EM48 to qualify for the ROVER category.

That will be the end of my microwave activities this year. Not even a MAD activity until February. Might be able to attend SLAMS breakfast on Sunday, 12/02.

Looking forward for QSOs with you!

73 Herbert
AF4JF

Monday, August 27, 2012

MAD Activity on September 1st and 2nd

Update: Report from this MAD Activity (09/01 and 02)  here, more here.
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Next MAD Activity is planned for Saturday, September 1st.

I will be at YMCA in EM48sq. Planning to be ready for 10GHz at 6:00am. I might set up 1296MHz later in the morning, assuming there will be stations to work.

Will try to have 144.260MHz with me. Calls on my cellphone will be OK.

73 Herbert

Sunday, August 19, 2012

ARRL "10GHz And Up" Contest 1/2 - Day 2

I have set up at YMCA in St. Louis (EM48sq) today. Main intention was to try work Zack W9SZ from EN50 and Ron from EM59. Weather was somewhat cloudy with little chance for Rain Scatter. It was raining a little when I arrived at the hill, so I have "installed" an "all-weather-option" on top of my 10GHz station:



First of all, I have heard Zack W9SZ when aimed my dish at an airplane departing from the Lambert St. Louis airport! He was S9 but this propagation didn't last long - that airplane was departing West, almost perpendicularly to the path between Zack and me. Tried again with next airplane, no luck. Maybe we should find a spot in the direction of main runway next time .. ?

Tried with Ron KO0Z later and heard him S9+. Ron was in EM59cm today, little bit North of his usual location, which gave me clear view in his direction from YMCA. However, he didn't hear me. Tried several times, then found a damaged transfer relay at my dish antenna .. the relay was switching (means clicking), but the "TX" path didn't connect. I have to check my sequencer before replacing the relay, which can't be done on hilltop, so this contest ended for me and I have returned home at 9:30am.

Before leaving YMCA, I have taken a picture of the view towards EM49pa from the garbage dumpster behind the building where N5MU worked me from on yesterday - it's actually very good spot for that direction!


73 Herbert
AF4JF

Saturday, August 18, 2012

ARRL "10GHz And Up" Contest 1/2 - Day 1

I have set up in EM49pa near Winfield, MO, just off MO-79 and MO-N highways for the first day of this contest. The intention here was to find new location in EM49 closer to my house than the AT&T tower near Dow in IL where we usually go.


There were several promising locations above 700ft a.s.l. in the wooded area north of Foley, MO but there also was a problem - a bridge under repair between Foley and Winfield. Detour was huge, so I decided to set up in the lowlands (430ft.) close to the river for today.


I arrived just for sunrise, exactly as planned. Picture doesn't nearly capture how nice it looks!


Following two pictures show my 10GHz antenna and my 144MHz omnidirectional "eggbeater".



The higher ground on opposite side of the Mississippi River turned out to be a "little" problem - I didn't work anybody from that direction. However, there was nobody closer than ~100 miles, so it might not be caused by these hills after all (picture taken towards East).


Next picture shows the view in opposite direction (West). These hills sure aren't looking 300+ ft. higher than my location!


Anyway, after 4 hours of trying, I have only worked N5MU from EM48sq (27 miles) and WA0CNS from EM48rl (38 miles). These two QSOs proved that this location is good for QSOs with stations in St. Louis area and that was the main goal today. I will have to keep looking for more elevated spot in this area for long-range QSOs with stations located across the Mississippi River.





Sunday, August 12, 2012

ARRL "10GHz And Up" Contest 1/2

First leg of the ARRL 10GHz Contest will take place next weekend, August 18-19, see rules here.

I intend to set up for 10GHz in EM49pa just North of Winfield, MO on Saturday August 18 in the morning.

I will set up at YMCA in Maryland Heights, MO, EM48sq on Sunday August 19 in the morning.

Call me on 144.260MHz to try 10GHz contact.

73 Herbert
AF4JF