1. AOC Report 2014. 11. 03. – 2014. 11. 30. KVN VLBIKVN KSP KaVASystem TestEVN Total 13275128 Failed-Observation 3

2. :: Observation List 날짜관측명관측코드특이사항 11/3KVN 4ch fringe MFPR tests14tj04d 11/3AGN_Plasma_Physicsk14st02eKT: Recording error at first scan 11/4AGN_Plasma_Physicsk14st02f 11/4KaVA_AGNWG_Sgr_A*_Q-band_monitork14mk04c KY: scan03, 06 – sync error and connection closed -> diskpack change (2157 -> 3163) 11/4AGN_Plasma_Physicsk14st02a 11/5M87 monitor KaVA K-band 2014k14mk03c 11/5W75N water maser plarizationt14sk02a Observation start from scan02 KY: KCS error massage -> after, observation se ems normal without any other problem 11/5AGN_Plasma_Physicsk14st02g 11/6 KaVA recovery observations of 44GHz met hanol maser k14th01a 11/6AGNn14et01acanceled

3. :: Observation List 날짜관측명관측코드특이사항 11/6KVN 4ch Astrometry tests14tj08b Observation start time = UT 11h KY: Mark5B disconnection at scan315(UT 17h) KT: Observation start late due to DAS error -> Obs. Start from UT 12:20:00 11/7AGN plasman14st02d KY: Mark5b cable connect to mark5bp -> observation normalize from UT 00:06 11/8W-band AGN Imaging surveyn14sl02aKT: It’s raining for approximately all time

4. :: Observation List 날짜관측명관측코드특이사항 11/10NGC1052n14ss01b KY: No reponse to command from MK5B (UT 18:57~ ) Mark5A restart -> normalized from UT 19:15 11/116thEAVNfringe_test_Kbanda14315a 11/11NGC1052n14ss01c 11/12W-band AGN Imaging surveyn14sl02bKT: Strong wind ( > 10m/s) 11/13AGN Plasman14st02e KY: Observation start from scan03 due to timeout error KU: mark5b disconnected -> normalized from scan03 Strong wind ( > 10m/s) KT: sometimes rain 11/15W-band AGN Imaging surveyn14sl02c KY: abnormal recording from scan43 (02:22) to scan62 (04:03) -> bank change (A->B) -> normalized from scan63 Scan110 – source = “stay” -> antenna not trace star -> abort -> DSLoc, KCS restart -> SDip, Cal Normalized from scan 113 (for 10 min) KU: scan01 - overflow error scan77 – overflow error Scan264 – source = “stay” -> antenna not trace star -> abort -> DSLoc, KCS restart -> SDip, Cal Normalized from scan 265 (for 10 min)

5. :: Observation List 날짜관측명관측코드특이사항 11/17 Star Formation H2O & methanol maser MF PR Test s14kk01c 11/17 Star Formation H2O & methanol maser MFPR Test s14kk01d 11/17Virgo PR observation with 3Gbps moden14et01a KY: mk5bp disconnect at scan02 (UT 19:50) Nomalized from scan33 (UT 20:25) Diskpack change 3174 to 3177 KU: AWS abnormal Scan471: mk5bp - overflow KT:Obs. Delayed due to mk5bp problem Mk5bp reboot -> scan08: nomalization 11/18 Star Formation H2O & methanol maser MFPR Test s14kk01e KY: scan26~43 – Data lose (30 minutes) Scan44: mk5b connect error -> rebooting Scan49: nomaliztion KU: AWS abnormal 11/18W-band AGN Imaging surveyn14sl02d KU: pointing offset is too high (EL: -36) -> change offset to 0

6. :: Observation List 날짜관측명관측코드특이사항 11/20Sgr A*n14am02c KU: scan37 – overflow error, when switch bank set from A to B 11/20AGN Plasman14st02f KY: scan27~29 – skip (30minutes) Cause: KCS is stopped without going on th the next scan when cross of scan27 was executed Since then same circumstance occurred And pointing offset increase infinitely -> offset value fixed to (0, 0) Scan 36, 44, 46, 52: skip Scan 34, 42, 53: late start

7. :: Observation List 날짜관측명관측코드특이사항 11/243mm Poltests14bs01cCanceled (bad weather) 11/25MF Weak AGN SurveyCanceled (bad weather) 11/26ATCA-KVN Q/W band Fringe Tests14rd01bTN> Rain (Tsys ~6000K) 11/26KVN K/Q BAND AGB stars – RR AQLp14sc01q TN> Scan 115, 116: record off bank didn’t switch, even the memory remains less than 14G in the ongoing bank (Bank A: KVN-2101) Scan 178: AGC execute (BSD < 10) 11/26KVN KSP evolved-stars: Cal surveyp14sc01r- 11/27KVN K/Q BAND AGB stars – VY CMap14sc01s- 11/27KVN KSP evolved-stars: Cal surveyp14sc01tUS> Scan 12: cross scan didn’t execute 11/27KVN K/Q BAND AGB stars – VX Sgrp14sc01u US> Before-obs: cross scan didn’t execute → ACU reboot → normalized TN> Scan 1: overflow error (KVN-3191) 11/27KVN K/Q BAND AGB stars – NV Aurp14sc01v YS, US, TN> Scan 173 (UT 17:10) : observation abort due to ToO obs. Scan 212 (UT 18:38) : restart 11/28KVN K/Q BAND AGB stars – W Hyap14sc01wYS, TN> Rain

8. :: Observation List 날짜관측명관측코드특이사항 11/28iMOGABA18p14sl01d YS, US, TN> Scan 24 (UT 09:11) : observation start (delayed due to bad weather) US> Scan 43 (UT 11:55) : timeout error VEX abort → DSLoc, KCS, GUI restart Scan 45 (UT 12:10) : normalized 11/30Methanol Maser Polarizations VLBIn14jk01e YS> Scan 1 to 4: Rain TN> Before-obs: cross scan didn’t execute → ACU reboot → normalized Scan 1 to 17: Rain, Fog