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The 50 MHz and Up Group is an educational and public service 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. Learn more . . .
Contact
For questions about this group or about programs and activities, please contact the 2018 President, Steve Shyvers (N6KLD): steve.shyvers (at) gmail [dot] com
2018 dues and member information must be updated
If you do not have any changes at all in your contact information, then simply send an email with a sentance to Jeffrey Pawlan satating that nothing has changed. Please use jpawlan@yahoo.com
To send a memberform with your updated information or to join, please go to the Membership tab of this website.
Dues are $10 for a year, $15 for two years. This can be brought to a meeting or sent to the new Treasurer:
Oliver Barrett
1111 Pecos Way
Sunnyvale CA 94089
Make your check payable to 50MHz and Up Group of N. Calif Inc
October 2018 Meeting Announcement
Our meeting location has changed
We no longer have access to the TI meeting facilities for our 50MHz and Up Group.
Our next meeting of the 50MHz and Up Group of N. Calif will be on Thursday, Oct. 4 beginning at 7:00pm. Note that this meeting will be in a community room of the Sports Basement located at 1177 Kern Ave, Sunnyvale. This is off of Lawrence and approximately across from St Johns. The meeting which will begin at 7pm and we must exit the building at 9pm.
Our agenda will include (but not limited to):
- PACIFICON
- Who will be attending?
- Anyone interested in setting up a 10 GHz rig?
- Two rigs and we can demo 10GHz narrowband
- CLUB STATION CALLSIGN
- Do we want to reinstate the group's call sign?
- Do we want to obtain W0EOM as a vanity call sign?
- 10 GHZ CONTEST SOAPBOX
- Can the experienced please give the inexperienced some views on Round #2? On the whole contest?
- MONTHLY MEETING SCHEDULE CHANGE - 2019
- HOLIDAY DINNER PLANNING
- Recommendations for date and place?
The 2018 Officers and Board Members
- President: Steve Shyvers (N6KLD)
- Vice President: Chris Veargason (N6JET)
- Secretary: Brian Kline (WA6QDP)
- Treasurer: Oliver Barrett (KB6BA)
- Board of directors:
- Art Lange (W6RXQ)
- Larry Zuckerman (K3LZ)
- Lars Karlsson (AA6IW)
Here is the presentation by Jeffrey Pawlan, WA6KBL on the history of circular waveguide, the use of low loss circular waveguide, transitions to rectangular waveguide, and expremely high performance dual mode feedhorns for 10GHz and 24GHz with builtin adapters to standard rectangular waveguide.
Please click here to view or download.Circular waveguide and horn antenna talk. This is a Powerpoint.
Beacons
Microwave Beacons in operation The following beacons are known to be operating as of 04-16-2016:
| Name | Grid | Coords | Freq | Call | Power | Ant | Comments |
|---|---|---|---|---|---|---|---|
| Mt Vaca | CM88wj | 38.415, -122.116 | 10368.325 | W6ASL | +30dBm | 10dBi omni | CW ID |
| Mt Allison | CM97bl | 37.500, -121.872 | 10369.192 10369.225 10368.625 24192.010 47061.017 |
AD6FP/R W6QI/B WA6QDP |
+17dBm +30dBm total out +17dBm +12dBm |
10dBi omni 12dBi omni open WG |
CW ID, drifts ~10 kHz Linear translator: Output is 11-55 kHz above beacon Input 600 kHz below desired output CW ID FM ID, aimed to Los Gatos |
| Mt Leeson | CM97ae | 37.167, -121.924 | 10367.990 24191.975 47087.99 79919.92 |
KF6KVG | +20dBm +20dBm +5dBm -5dBm |
2.5" horn 1.5" horn 1.25" horn 0.6" horn |
FM ID, locked, aimed NW FM ID, locked, aimed NW FM ID, unlocked, aimed NW no ID, locked, aimed NW |
| Bear Mtn. | DM06ir | 37.747, -119.281 | 24191.990 | W6BY/B | +27dBm | 20 slot omni | locked, IDs as DM07IC, will fix |
| Mt Frazier | DM04ms | 34.775, -118.969 | 10368.310 | N6CA/B | +31dBm | 14dBi omni | CW ID, locked |
| Heaps Peak | DM14kf | 34.235, -117.141 | 10368.370 | ? | +?? dBm | ??dBi omni | CW ID |
| Palos Verdes | DM03ts | 33.747, -118.336 | 10368.300 | N6CA/B | +32dBm | 14dBi omni | CW ID, locked |
| Santiago | DM13fr | 33.712, -117.534 | 10368.330 | KE6JUV | +27dBm | 10dBi omni | CW ID, locked |
| San Miguel | DM12mq | 32.697, -116.935 | 5760.000 10368.360 24192.050 |
K6QPV/B N6IZW/B K6QPV/B |
+34dBm +27dBm +34dBm EIRP |
10dBi omni 12dBi omni horn |
- CW ID, locked CW ID, locked, aimed to LA |