24 February 2002
I was QRV on the 16/17 February to check my system before the 23cm SSB EME contest on the 23/24th. All seemed to be working well. Unfortunately, at the end of my session on the 24th, I had a problem with my PA and had to change a blown tube.
Heavy winds prevented operation during the 23cm SSB EME contest. The weather was much better the following day, and I made several QSO's.
Unfortunately my PA problems re appeared, causing me to reduce power by 4db to 300W while I get things sorted out. I need to make two new heat exchangers to fit the 12x1mm threads on my only good remaining tubes - Siemens 2C39BA's. Hopefully I will be able to get this done before the next activity weekend.
1517 OZ6OL 559/569, 1921 partial with W4OP 559/nil - Dale blew his HT fuse.
1628 IK2MMB 559/559, 1648 joined by DL4MEA 559/549, 1654 joined by HB9BBD 58/56 making 4 way SSB QSO, 1735 W2UHI 569/579, 1935 LX1DB 589/569 and 57/55 on SSB.
1747 ZS6AXT 559/569, 1802 OE9ERC 579/569, 1818 OE9ERC 56/55 on SSB, 1833 OH2DG 559/559, Blew another tube in my PA while testing with GM4ISM, 2237 W1QC 559/339 - I was running 100W from my driver, K5JL 589/569 - Now with 300W, PA has developed tuning drift at high power levels after replacing the blown tube.
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