4U1UN Over the Years
A photographic journey through the history of the
United Nations Headquarters amateur radio station,
its operators, equipment, and antennas.
The Station in a Filing Cabinet
The first 4U1UN station was installed inside a metal
filing cabinet on the 40th floor of the United Nations
Headquarters building.
The station occupied a corner of a large room shared
with painting, karate, dance, and other United Nations
Staff Recreation Council clubs.
Pictured operating the station is Hans Meurer,
W2TO, a devoted friend from the NJDXA.
Station equipment:
- Yaesu FT-101E transceiver
- Yaesu FL-2100B power amplifier
- Yaesu FV-101B VFO
- Yaesu YO-100 oscilloscope
International Friendship at 4U1UN
Standing, left to right:
Ken Arakawa, JS1DLC/N2IEB
Taizo Arakawa, JA3AER/N2ATT
Ichiharu Hayashi, KD2HA
Iwao Kobayashi, N2ATF
Seated, left to right:
Alain Moerenhaut, ON4HE
Max de Henseler, HB9RS
Station equipment:
- Kenwood TS-830S transceiver
- Kenwood TL-922 power amplifier
A Special Gift to 4U1UN
A wooden plaque presented to the station by
Philip Muller, KA2DYB.
Philip Muller, KA2DYB
Philip Muller, photographed in 1986.
His later callsign was WW2T.
Giorgio Minguzzi, IZ4AKS
Giorgio Minguzzi, IZ4AKS, operating the
United Nations Headquarters amateur radio
station in July 1997.
The Station in 2008
By 2008, 4U1UN had developed into a
well-equipped amateur radio station
with multiple transceivers and amplifiers.
Station equipment:
- Yaesu FT-1000 transceiver
- Icom IC-756 Pro III transceiver
- ACOM 1000 power amplifier
- Kenwood TS-2000 transceiver
- Kenwood TL-922 power amplifier
Antennas Above the United Nations
The 4U1UN antenna installation on the roof
of the United Nations Headquarters building,
used during the October 2009 activity week.
Antennas:
- BigIR vertical antenna, 80 through 10 meters
- Multiband dipole
- Three-element beam for 50 MHz
HB9RS · IZ4AKS · LA5IIA