K1USN Slow Speed Test - Aug 25
Call: OG6B
Operator(s): OH1ZAA
Station: OH5ZA
Class: Single Op HP
QTH: KP21TA
Operating Time (hrs): 0.85
Summary:
Band QSOs Mults
-------------------
160:
80:
40:
20: 15 12
15:
10:
-------------------
Total: 15 12 Total Score = 180
Club: Contest Club Finland
Comments:
Conditions for USA on 14 MHz improved towards the
end of the session. I heard AR and KY, but most
was North-East and IL IN WI.
Wednesday I started to test my newly acquired Exide
EV-640 50 Ah LiFePO4 with the IC-7300 in the 1 hour
CWT's. For RX-only it is supposed to last 56 hours
after a full charge. For TX it turned out better
than expected. In a S/P session it probably delivers
6% of its energy and with active CQ maximally 10%.
In one session with a lot of active CQ, the SOC
dropped from 75% to 67%. Voltage from 13.3 volts
down to 13.2 V at the end of the session. Closer
to its empty state the IC-7300 RF-output will
decline due to lower battery voltage. I guess,
a pack of 6S LTO (Lithium-Titanium-Oxide) is more
appropriate for nominally 13.8 volts rigs, and will
stay functional down to -40C (-40F), unlike LiFePO4.
Cheers/73, Zaba OH1ZAA #1856 CWops
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