Onsala Report: 25m telescope: * Problems with water in the waveguide which affected the last session (6cm, Session 3, 2003) are being dealt with. Mark 5: * We have installed and tested the Mark 5-unit in session 3, 2003. We have purchased 5 disk packs with 120 GB disks and 17 disk packs with 160 GB disks. We have ordered 25 disk packs with 160 GB disks. Thus, in total about 65 TB. e-VLBI network * We have installed a 1 GB/s optical fiber from the observatory to Chalmers research network connection. Gnplt: * We have updated Gnplt, a program used to analyse calibration data. Sampler statistics * Problem with low sampler statistics has been solved. We had problem with a -12 volt power supply.