There are five Amateur Radio operators aboard the International Space Station this week. The Expedition 6 crew of Commander Ken Bowersox, KD5JBP, NASA ISS Science Officer Don Pettit, KD5MDT, and Nikolai Budarin, RV3FB, today welcomed Expedition 7 crew members Commander Yuri Malenchenko, RK3DUP, and Ed Lu, KC5WKJ.

Full Story at ARRL

Two new residents have arrived at the International Space Station. The Soyuz TMA-2 spacecraft linked up to the station this morning as they flew over Kazakhstan in central Asia. The Russian Soyuz docked to the Earth-facing port of the station's Zarya Module at 12:56 a.m. CDT (0556 GMT).

Space veterans Russian cosmonaut Yuri Malenchenko, RK3DUP, and NASA
astronaut Ed Lu, KC5WKJ head into space this weekend to assume the reins of the International Space Station (ISS) as its Expedition 7 crew.

Arthur N1ORC found this useful document regarding the upcoming Expedition Seven.
You can read this PDF file directly from here:

Expedition 7 Mission Overview

Yesterday, on Monday April 21, at 18:30 utc, I had a very nice radio contact with Don Pettit aboard ISS.

We have received on the net today a message from Siegfried DD1JSN about a Voice activity from the International Space Station over Europe.
Nikolai Budarin was calling CQ in Russian.
This is the message as received on the SAREX List.....

ISS Amateur Radio Status: April 10, 2003
Temporary MAREX Web Page

By Miles Mann WF1F,
MAREX-NA (Manned Amateur Radio Experiment, North American Division)

ISS Amateur Radio Status: April 4, 2003
French ISS Packet Operations Manual
Packet Status
Shuttle Status
SpaceCam1 project

By Miles Mann WF1F,
MAREX-NA (Manned Amateur Radio Experiment, North American Division)

Submitted by Arthur - N1ORC
The Expedition Six crewmembers have completed another busy workweek aboard the International Space Station. Their major activity was a spacewalk conducted by Commander Ken Bowersox and NASA ISS Science Officer Don Pettit.

At 1700z Ken Bowersow was on the radio as making pass over eastern usa, Nice to hear this, now wish he'd turn the PKT on :-) 73
KB1GVR