Half Voltage Fan Cools Power Supply with Less Noise
Does your transceiver power supply run a little too hot?
Mine sure does, but I found a simple solution that keeps things cool without a lot of whoosh noise.
(more…)
Does your transceiver power supply run a little too hot?
Mine sure does, but I found a simple solution that keeps things cool without a lot of whoosh noise.
(more…)
Last year I made three posts about power in the generator category all related to issues we had with generators, UPS devices (why they don’t like some generators) and a thought about that dang fuel cap on the Honda EU2000.
If you are using generators at your Field Day please have a look at these posts for some previous lessons learned…
The Honda Inverter generators are, by far, the most fantastic generators ever to hit the market. Even with that fuel cap issue, they are still worth it. So very quite and such clean power… nice.
GL
Bonus points are important for the annual ARRL Field Day event in June.
If you are thinking of participating in your local club’s Field Day festivities or are heading to the campground with your family for a Bravo station, bonus points are available.
One of my favorites is the Alternate Power Field Day bonus.
To quote the ARRL Field Day rules for 2009…
(more…)
Working at an airplane company as an EE certainly puts energy density of electrical storage components at the top of the list of important things.
Of course the buzz word of the decade when talking about batteries is Lithium, Lithium, Lithium.
(more…)
A viewer has a problem powering two radios from one power supply.
This situation is quite likely very common among amateur radio operators who keep a simple shack set up with one large power supply feeding multiple loads.
(more…)
During our Field Day 2008, we experimented with many power options. Since it is a well known fact many UPS devices are not compatible with the power generated by certain generators, we will report the combinations that work.
(more…)