Monthly Archives: April 2013

Battery In A Box

I finally found the time to complete my 60AH LiFePO4 battery by building it into a box this weekend between sporting events for my daughter. I had checked the size of the four battery cells prior to ordering them and … Continue reading

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PCM Doing Good Job

The PCM LO4S30 Power Control Module that I used with the the four-series 60 AH LiFePO4 battery (LFP-G60 cells)  is doing a great job keeping the cells balanced on recharge.  After the 3rd PCM charge, the largest difference is now 12 … Continue reading

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65.78 AH, 10h58m

And the Test Results are in… 65.78 AH capacity from 14.35 volts down to 12.00 volts, at a C/10 rate of 6.00 Amps.  This is 9.6% more than the name plate capacity. Measured individual cell voltages were very close, ranging … Continue reading

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Note to self…

So the bewitching hour has struck, and the capacity test continues on. Testing high capacity batteries takes a lot of time.   Note to self for future tests:  Start earlier in the day! The 60AH battery has been under a … Continue reading

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60AH LiFePO4 Battery for Field Day

After monitoring my K3 power consumption during the SSB WPX Contest, I determined that I could run the K3 continuously set to full power in contest mode for about 30 hours with a 60 AH battery.  So my plan is … Continue reading

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Patriot’s Day Bombing

I hesitate to write this, as it isn’t directly related to ham radio, but it did have an indirect impact as my technician class gladly stood down for a night as the Red Cross started their efforts to plan their … Continue reading

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Taking the exam for ARRL Volunteer Examiner

I took the ARRL-VEC Exam, which is an open-book 40-question yes/no, fill-in-the-blank, mini-essay type exam taking 3 pages.  Add a page long application and a copy of your license, plus postage for 2 ounces applied to the envelope, and the … Continue reading

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Double-Peak For Cycle 24?

“Almost” as predicted, propagation is starting to get interesting.  The past few days have been outstanding with decent openings on 10 m and 12 m.  15-meters has been open the clock as well.  China, Vietnam, Thailand  South Korea, Indonesia, and the Philippians have … Continue reading

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Honoring a Mentor

(Receiving John ‘s comment yesterday about his first QSO, reminded me that I needed to do something similar for mine) I have misplaced my original license and logs (I will find them and put them online in eQSL and LotW … Continue reading

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A QSL from the distant past…

I received a post-comment from John Boyd who mentioned that he recalled working a WN4SON back in the day.  While I’ve misplaced my log and original license (I know they are packed in a box from one of my moves), … Continue reading

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