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The 50 MHz and Up Group is a public benefit amateur radio organization centered in the San Francisco Bay area. The group is interested in developing and utilizing communications on frequencies from 50MHz up through light-waves. The group is open to any related topics that might be of interest to members, such as: technology, design, construction, operation, public service, contesting and antennas. Lean more . . .
Contact
For questions about this group or about programs and activities, please contact the President, Art Lange, W6RXQ at art_lange@trimble.com
a Few Photos from the 10GHz and Up Contest 1st Weekend
These were taken by visiting ham Valentyn, UT2EM on Aug 15 of the four operators on Mt Diablo. Click here to view them: photos
a Few photos from the 10GHz and Up Contest 2nd Weekend
These were also taken by visiting ham Valentyn, UT2EM on Sept. 19 of four operators on Mt Diablo. Click here to view them: photos
a Photo of Southern Calif Rovers
The S. Calif rovers are really serious! They are shown here getting ready to spread out over the high desert. This photo was taken by Carrie Tai W6TAI and used with permission.
Announcements
The next meeting of the 50MHz and Up Group of N Calif will be on Thursday, Feb. 4 at 7pm in the NSC auditorium.
The guest speaker will be George Zafiropoulos, KJ6VU, who is the founder and builder of the Bay-Net repeater system and also the head of the Northern California Cactus Radio Association. He is the designer of the very flexible and remotely programable repeater and remote base controller that is utilized in every location of the Cactus network. He will describe in technical detail how his controller works and his plans for future versions. He will show how
you may use his linked open tri-band repeater system on 2m, 440, and 900, along with computer voice access via IRLP and also echolink. He will explain and demonstrate how the Cactus Radio Network system works. The Bay-Net system can be linked to the Cactus backbone by Cactus members. (Cactus is a private, membership sponsored organization but open to new members of similar interests.)
At our last meeting, Joel Wilhite mentioned the latest round of letters sent by the ARRL for 440 interference mitigation to the Pave-Paws radar. This adversely affects the ERG system which has traditionally been used for microwave liason. Similarly, both Bay-Net and Cactus have been affected by the requirements of the radar. The current situation of the Cactus repeater on Diablo will be described.
The talk will include an open question and discussion session afterwards.
Guests are always welcome.
Jan. Meeting Minutes by Brian Kline
The January 7 meeting was called to order by Kevin Hague.Art Lange announced that he is still looking for presentations and presentations topics for 2010 meetings. Nominations and election of officers and board members was held. The following people accepted nomination for the new board of directors:
John Ekiss (AA6HA)
Kevin Hague (N5XSA)
Dave Hartzell (AF6KD)
The following people were nominated as officers. Note that Will Jensby was not present so election of a Treasurer was not held.
President: Art Lange (W6RXQ)
Vice President: Jeffrey Pawlan (WA6KBL)
Secretary: Jim Moss (N9JIM)
It was moved and seconded to vote on the entire slate of officers by show of hands. The slate passed unanimously.
John Ekiss recommended that the board meet and plan the year's activities. Jeffrey mentioned that the board meeting is already specified in the Bylaws to be held in February.
Jeffrey Pawlan asked if there was any objection to placing the member phone numbers and addresses on the member's only web page. There were no objections.
The January VHF Sweepstakes contest is coming up January 23-25. It was suggested that we hold a 10/24 GHz activity day Saturday or Sunday to coincide with the contest. The proposal was positively received, however specifics were not established.
Jeffrey Pawlan talked about the 1296 MHz dish feeds that he is developing. He also talked about his work on a Software Defined Radio (SDR) transmit exciter.
Brian Kline talked about the latest round of notices of interference to the Pave-Paws Radar at Beale Air Force Base from 440 MHz amateur repeaters.
The meeting was adjourned at 8:15 PM.
Current Updated Rosters Available to Members
Members may obtain the new updated roasters in several sort orders by logging into the Members Only webpage.Beacons
Microwave Beacons in operation The following beacons are known to be operating as of 12-01-2008:
| Where | Specs |
|---|---|
| Leeson Site, near Mt Thayer, KF6KVG: | 10367.990MHz, 24191.975MHz, 47087.99, 79920MHz, 37deg 10.034min N, 121deg 55.500min W |
| Mt Allison, AD6FP: (needs repair) | 10369.176MHz, 37deg 29.905min N, 121deg 52.206min W |
| Mt Allison: | 24192.010MHz, 37deg 29.905min N, 121deg 52.206min W |
| Mt Allison, WA6QDP (needs repair): | 47061.00MHz, 37deg 29.905min N, 121deg 52.206min W |
| Mt Vaca, W6ASL: | 10368.325MHz, 38deg 24min 51sec N, 122deg 06min 50sec W |
| Mt St Helena, KF6KVG: | 24191.990MHz, 38deg 39min 22sec N, 122deg 37min 0.9sec W |
| Mt Frazier, N6CA/B: | 10368.3107MHz, 34deg 46min 30sec N, 118deg 58min 09sec W |
| San Diego, Mt. St Miguel, WB6IGP: | 10368.075MHz (+/- 10KHz), 32deg 41.8min N, 116deg 56.09min W. |
| Palos Verdes, N6CA | 10368.300MHz, 33deg 46min 15sec N, 118deg 22min 30sec W. |