Photos of user's system

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JJ1SCA's transportable station for AO-40

JF1SAG's L-band dish for NOAA HRPT

JA1DUC (left) and his dish

JR6LDE's S-band dish for AO-51

F4BUC and his 1.8m L-band dish in THF contest

Jean Claude's (a member of F5KCK) L-band dish for NOAA HRPT

SQ6EMM's 1.4m, f/D 0.45 dish

DL1EMA's 1.2m, f/D 0.45 S-band dish for QO-100 uplink, mounted on his home made AZ/EL rotator. Septum feed is supported by back-structure reinforced with alminum square tubes.

F5AOL's 1.8m dish for:
- reception of the hydrogen line at 1420MHz
- EME reception at 1296MHz
- QO-100 satellite uplink at 2400MHz 500mW
- portable contest operation at 1296 and 2320MHz

Fong Zi Hao's 1.4 m, f/D 0.345 1.42 GHz dish for the hydrogen line project. His received and processed astronomical results are here.

F4IKX's S-band 90cm dish for QO-100 uplink.


Transportable, 3-segmented Solid-surface Geodesic Parabola Antenna for DSN X-band (8.4 GHz)


Diameter = 1.8 m
f/D = 0.35
Rib = Laminated wooden plank
Reflecter = Matte-white painted BBQ alminum foil
Surface body = Styrofoam
Rear supporting structure added


Original photos of DUBUS 2/2005

Photo-1 Geodesic parabola antenna

Photo-2 Geodesic parabola antenna

Photo-3 Collapsible (umbrella) antenna

Photo-4 Collapsible (umbrella) antenna

Photo-5 Segmentation of mesh

Photo-6 Connection of fringe ribs

Photo-7 Connection of fringe ribs

Photo-8 Frame in assembling

Photo-9 Order of sewing mesh

Photo-10 Center hub and saddle washers

Photo-11 Supporting brackets

Photo-12 Supporting brackets

Photo-13 Accuracy of dish surface