Moon-Bounce Using the JAXA 18m Dish on 2m through 23cm - NTMS

<strong>Moon</strong>-<strong>Bounce</strong> <strong>Using</strong> The <strong>JAXA</strong> <strong>18m</strong><strong>Dish</strong>On 2m Through 23cm– Ano<strong>the</strong>r Big <strong>Dish</strong> Project In JapanPresented by Mike Watanabe, JH1KRC& Project KDES 2008

In 2007, JapaneseEME’ers operated8N1EME fromKDDI 32m dish

8N1EME144MHz432MHz1296MHz5760MHz500 wattsQM062007

8N1EME144MHz432MHz1296MHz5760MHz500 wattsQM062007

8N1EME144MHz432MHz1296MHz5760MHz500 wattsQM062007

8N1EME144MHz432MHz1296MHz5760MHz500 wattsQM062007

8N1EMEEME event wasbroadcastedthroughNHK-TV worldwide.

8N1EME144MHz432MHz1296MHz5760MHz500 wattsQM062007

Where isano<strong>the</strong>r dish?8N1EME8J1AXAQM05df

<strong>JAXA</strong> Katsuura SpaceCommunication CenterKatsuura, Chiba, Japan○ 140 deg. 18’ 2.18” E.○ 35 deg. 12’ 38.13” N.○ Altitude at 197.9m. ASL.○ Grid locator: QM05df

<strong>JAXA</strong>Katsuura SpaceCommunicationCenter

East South West

136MHz Turn-style Array

Antenna Feed Modification

Two-Band FeedDesigns for144MHz & 432MHzLoop Feed by OM6AAModified JA-Yagi Feed

Antenna Simulation by OM6AAFour Element Yagi Feed

Beam Pattern144MHz<strong>JAXA</strong> <strong>18m</strong>

BeamPattern432MHz

BeamPattern1296MHz<strong>JAXA</strong> <strong>18m</strong>

TotalModificationDesignFor EME

Construction

FeedAlignmentis adjustedby a rope

LNAs made byJH0WJF

LNAs for 144 & 432MHzThe First stages

1st LNAs wereinstalled in <strong>the</strong>metal boxbehind <strong>the</strong>sub-reflector.

A Small cabinbehind <strong>the</strong> dish

CABINhas23mmcoaxterminalsMany cables &RG-8B/U coaxlines are readyto use

LNAs for 144 & 432MHzThe Second Stages by JH0WJF

TDK Circulatorsfor 144 & 432MHz

CU271A 144MHz Serial No. 1CU251A 432MHz Serial No. 1TDK Circulatorsfor 144 & 432MHz

2 nd Stage LNAs

W6PQL T/R&Band SelectorBoardRigs:TS-2000IC-910DFT-790Bands:144MHz432MHz1296MHz5760MHz

T/R & BAND/RIG/LNA/HPASelector

Working forEME is oftencontinuedafter dark……and oftenafter <strong>the</strong> daybreaks!

Wiring, wiring,and wiring…

Antenna & Shack

Coax Cable Wiring60m in <strong>the</strong> ditch

Precision Measurement

Power and SpuriousMeasurements

Stub Notchfor 144MHz

Stub notchfor 432MHz

Inspectionfor licenseDemonstrationQSO withJA6AHB

2008 ARRLEMECompetition

8J1AXAHF/VHFOperation

EnjoyEME Contests!

Possibly, <strong>the</strong> youngest EMEer…

JQ2QQA finallyworks IK3MAC144MHz CW2009DUBUS 2mContest

A special mobile shackOriginally a satellite relay car

WXRainy

HELLO MOON EVENT, June 29,2009With Amateur Radio Club MembersOf Aoyama Gakuin InstituteElementary School, Tokyo

K1RQG & K2UYH 432MHzSSB

Lecture: Yasu JH2COZ explains what <strong>the</strong>EME contacts are.

Lecture: A simulation using a glisteningball made of alminium foil and a razor light

Lecture: EME calculation(for children and <strong>the</strong> parents)To travel 380,000km,it takes:By bus, 80km/hr… 4750 hoursdriving 24 hr/day… 197,97 days… 6.6 months!By walk, 4km/hr… 95,000 hours… 3958.3 days… 131.9 months… 10.84 years!

Sight-Seeingto <strong>the</strong> dish&HF/VHFOperation

License holders operate8J1AXA on HF/VHF

School children, <strong>the</strong>irparents, and teacherswatches it, sitting on<strong>the</strong> lawn.<strong>Dish</strong> movesup/down,and around….

R H C P

1296MHz operation

1296MHz Feed-horn & LNA

WX use to be finein winter on <strong>the</strong>Pacific coast area.

1296MHz 200W Outputwith Harmonics Level < -70dB

Remote Control of TS-2000A small knob is not easy forwatching!

RIG isn’t in front of you!

QSOs withLX1DB andhis XYL LX1WBBy OperatorNaomi/YL

Pleasant QSOs on1296MHz were logged in.

JHΦTOG1.8m <strong>Dish</strong>1296MHz10WJT65C

JF2AGB3m <strong>Dish</strong>1296MHz10WJT65C

8J1AXA went QRT Mach 24, 2010

“8J1AXA, <strong>Moon</strong>-<strong>Bounce</strong> <strong>Using</strong>The <strong>JAXA</strong> <strong>18m</strong> <strong>Dish</strong> on 2mthrough 23cm – Ano<strong>the</strong>r Big <strong>Dish</strong>Project in Japan“Presented by Mike JH1KRC& Project KDES 2008

….WHAT’S NEXT??THE END