date |
tx1 |
tx2 |
tx3 |
tx4 |
tx5 |
tx6 |
150504 |
TRB no pwr out (link) |
BB on load (link) |
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150506 |
BB on Antenna (link) |
BB on load.No
Bursts (link) |
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150507 |
TRB burned dmyLd |
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150508 |
TRB burned dmyLd | |||||
150512 |
CC (link) |
CC not complete TRB dmyLd trip at 50KW (link) |
CC (link) |
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150514 |
tx6 on ant. to 28KW |
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150518 |
MC (link) |
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150519 |
MC (link) |
pwrMeter bad replaced |
MC (link) AT9 attn bad replaced |
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150520 |
TRB +15V cardA2 3V pkTPk ac ripple 16.4V DC |
TRB 26V pwrSup no output card A2 ok 21may15.. |
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150521 |
MC (link) 26V supply started working again |
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150522 |
MC (link) TRB DmyLd LowPwr drvrStage (link) |
CC (link) BB- dmyLd none seen (link) |
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150526 |
MC (link) 15V supply with ripple replaced |
TRB: 15V supply bad 10V dc, 3V ac ripple |
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150527 |
xmit 100KW on ant (link) |
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150602 |
xmit 100 KW on ant (link) |
TRB:wouldn't complete filament delay |
xmit 100KW on ant measure harmonics 430 (link) |
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150603 |
xmit 100KW on ant no bursts (link) |
TRB: tripped at 24KW reflected power arcing at top of antenna (link) |
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150610 |
TRB:dmyld drvr A ac flt at 48Kw saw jmp ipa output |
TRB: dmyld tripped at 70KW saw drvanode osc prior to trip |
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150611 |
on dmyLd, 60 to 90KW for 1 hr, no bursts TRB: tripped drv A ac at 95KW |
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150623 |
on dmyLd to 93KW CC TRB:tripped PA A dc needed 4db extra drv pwr. after trip drv pwr back to normal |
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150618 |
first light daytime tx
1,3,6 |
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150619 |
first light nightime tx
1,3,6 |
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150623 |
TRB:
found loose connectors on back of broadband amp (for
multiple transmitters). CC .. but ignored data |
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150629 |
TRB: dmyld drv A AC flt at 20kw |
on dmyld to 95 Kw, no trips CC |
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150811 |
CC | TRB:
Burst water pipe |
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150909 |
TRB: IPA tube not outputing much power. | |||||
150915 |
on antenna run for 20 min. at 75kw |
TRB: on
antenna. arcing |
on ant. run for 20min at 75kw |
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150916 |
on dmyld CC Dana VNA meas of heliax and dipole showing damage |
on dmyld CC |
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150922 |
heliax repaired. dana remeasures vswr |
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151008 |
TRB: no
PA output. Problem was pneumatic valve. |
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151013 |
100KW output on ant
3B for 30minutes with no glitches |
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151015 |
60Kw on ant |
60Kw on ant | trouble coming up rfi |
60Kw on ant.
drive needed 5db higher. Then drive needed dropped back to
other tx levels |
wouldn't come up |
60Kw on ant |
151019 |
vswr on ant |
vswr on ant |
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151020 |
on dmyld |
on dmyld crowbar |
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151021 |
balun vna dmyLd tripped scrn @ 60Kw |
90Kw dmyLd for 30
min. recorded stage outputs. |
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151022 |
85Kw on ant |
drvAC A flt @40Kw on
Ant |
85Kw on ant |
85 Kw on ant |
ipa,drv grid I meter pegged |
|
151026 |
ipa glitch @40KW |
crowbar |
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151028 |
88KW on dmyLd |
hvon, no crowbar. recorded meter values with no rf. |
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160913 |
rogowski coil td 8 cable |
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160920 |
lcp,rcp Ph 8Mhz |
lcp,rcp Ph 8Mhz |
lcp,rcp Ph 8Mhz |
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170504 |
first hf test after
new support cable insulators installed on 5 MHz dipoles |
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