hamtv uplink k.i. proposal - ariss-eu.org fileham video receiver proposal in few words • pi: ariss...

HAMTV UplinkK.I. Proposal

HAM Video transmitterOverview

Ham Video in few words

• PI: ARISS community (AMATEUR RADIO on the International Space Station)

• HAM Radio, operating for several years, establishes a half duplex voice-only linkwith crewmembers on the ISS, for educational programs of NASA, ESA and JAXA.

• Ham Video is an enhancement of the Ham Radio program.

• Ham Video is a one-way S-band video / audio transmitter. It modulates avideo/audio signal from a camcorder, transmit a radio frequency (RF) signalthrough one of two L/S band patch antennas (ARISS 41 and ARISS 43) installed onthe nadir side of Columbus.

HAM Video transmitterObjectives

Enhance existing ISS HAM Calls in Columbus

Currently only 10min Ham Radio contacts are possible

With both Ham Radio & Ham Video on orbit and a set of supporting ground

stations: 5-20min video calls could be achieved (ground seeing crew i.e. audio &

video down, audio only up)

Radio Calls ~10min Video Calls 5-20min

SCHOOL

VHF bandonly audio

SCHOOLVHF band only audio

S band Audio & Video

HAM Video transmitter Operational concept

One supporting ground station

Tele-bridge with 5 ground stations

Radio VHF ~3min

Video S-Band up to 5min

Radio VHF 1-2min

Radio VHF ~3min

Video S-Band up to 20min

Radio VHF 1-2min

HAM Video transmitter Payload

Requires on orbit use of:

CANON G1 & later CANON XF305

ESA Portable Power Supply

ESA COL S-Band antenna

HAM Radio - Ericsson

Replaced by a dedicatedCanon camera poweredon batteries

HAM Video transmitter Equipment - Connectivity

RF Coax

NTSC AV

28 VDC Power

ARISS antenna

AVPwr RF

SUP


ANTENNA 41

ANTENNA 43

or

CB HR ACES J1

4341

CB HR ACES Panel

Col. Nadir

Port Aft

Overhead


HAM Video External Connections

On-orbit accommodation

in Columbus module

• HAM VIDEO on D1 rack, in front

of ER#3

• Canon XF-305 Camera on EDR

left rack seat track (mounted with

Multiuse bracket, to be used on

batteries only)

• Portable Pwr Supply (KuPS) on

D2 rack


HAM VIDEO - PAYLOAD

Ham Video TrM

COL antenna(transmission)

PPS(Power)

Camera(image data)

HAM VideoPower ON/OFF

HD VCA Power ON/OFF not used with Canon cameras

8 configurationsTransmissionPower ON/OFF

Ham Video new labelling plan

HAM Video transmitter Commissioning

Mechanical installation

System should remain deployed continuously(to minimise activity

crewtime)

HAM Video Commissioning

-HAM Video tested sequentially in all configurations (frequencies & bitrates)

-Both Columbus antennas tested

-Wide range antenna (MATERA, Italy - tbc) receiving ~ 8 min visibility

-3 passes planned (2 for sequential configurations tests, 1 functional verification)

- Crew will be in camera FOV as per script (basically filmed performing the equipment protocol)

-Video received by ARISS will be streamed to ESA USOC following commissioning operations

-No use of the Ham Radio

Objectives:- Verify Columbus antenna performances- Identify and validate best suitable HAM Video configuration

HAM Video transmitter Commissioning

HAM Video transmitter envisaged operational scenario examples

HAM TV Operations Examples

-HAM TV contacts as per requested via ARISS (for their education programme or on behalf of an agency) FOV will be specified in event script (typically similar to PAO events)

-HAM TV activations for hours (as long as the camera batteries can last) with digital clock in camera FOV (for ground segment expansion and development)

-HAM TV contacts activated at crew convenience (as for unplanned HAM Radio calls)

Notes: -Ground station involved: initially 5 European stations, they will be expanded by ARISS to a worldwide set-ups.

-HAM Radio operated in parallel for direct communication between crew & ARISS



crewtime)

HAM Video receiverProposal in few words

• PI: ARISS community (AMATEUR RADIO on the International Space Station)

• HAM Radio, operating for several years, establishes a half duplex voice-only linkwith crewmembers on the ISS, for educational programs of NASA, ESA and JAXA.

• Ham Video is an enhancement of the Ham Radio program.

• Ham Video transmitter is a one-way S-band video / audio transmitter. It modulatesa video/audio signal from a camcorder, transmit a radio frequency (RF) signalthrough one of two L/S band patch antennas (ARISS 41 or ARISS 43) installed onthe nadir side of Columbus.

• Ham Video receiver is a one-way L-band video / audio equipment. It demodulatesa video/audio signal from earth stations, receive a radio frequency (RF) signalthrough one of two L/S band patch antennas (ARISS 41 or ARISS 43) installed onthe nadir side of Columbus.

HAM Video receiverObjectives

Enhance existing ISS HAM Calls in

Columbus

Currently only 10min Ham Radio

contacts are possible

With both Ham Radio & Ham Video

transmitter on orbit and a set of

supporting ground stations: 5-

20min video calls could be achieved

(ground seeing crew i.e. audio &

video down, audio only up)

With Ham Video receiver on orbit

and a set of supporting ground

stations: 5-20min video calls could

be achieved (crew seeing ground

i.e. audio & video up, audio only up)

In few words, a full duplex audio /

video communication system.

Bi-directional Audio / Video

Calls 5-20min

SCHOOLVHF band only audio

S band Audio & Video

L band Audio & Video

HAM Video receiverPayload

Requires on orbit use of:

CANON G1 & later CANON XF305

ESA Portable Power Supply

ESA COL S-Band antenna

HAM Radio - Ericsson

Payload proposed

Payload onboard


ANTENNA 41

ANTENNA 43

HAM Video

Receiver

CB HR ACES J1

4341

CB HR ACES Panel

Col. Nadir

Port Aft

Overhead


HAM Video External Connections

On-orbit accommodation

in Columbus module

• HAM VIDEO on D1 rack, in front

of ER#3

• Canon XF-305 Camera on EDR

left rack seat track (mounted with

Multiuse bracket, to be used on

batteries only)

• Portable Pwr Supply (KuPS) on

D2 rack

•HAM VIDEO Receiver on EDR left

rack seat track, near Canon XF-

305 Camera.

HAM VideoRX


COL antennaCamera(image data)

HAM Video RXPower

ON/OFF

HD VCA Power

ON/OFF

configurations

Monitor(aux)

HAM Video receiverenvisaged operational scenario examples

HAM TV Operations Examples

-HAM TV contacts as per requested via ARISS (for their education programme or on behalf of an agency) FOV will be specified in event script (typically similar to PAO events)

-HAM TV contacts activated at crew convenience (as for unplanned HAM Radio calls)

Notes: -Ground station involved: initially 5 European stations, they will be expanded by ARISS to a worldwide set-ups.

-HAM Radio operated in parallel for direct communication between crew & ARISS



crewtime)

27/01/20146

’ 40

”

DV

B-S

Uplin

k V

ide

o

DVB-S FEC 1/2

DVB-S2 FEC 1/4

HAM Video receiverLink Budget Analysis

A radioamateur-grade Uplink Ground Station:

• Camera

• MPEG4/H.264 encoder, 300 kbps output rate

• DVB-S Modulator (FEC ½)

• 10 W HPA, close to the antenna

• Helix antenna (RHCP) with approx. G=14 dBi

• 1.26 GHz amateur band

• Az/El antenna rotator, with tracking software

Upgrading the modulator to DVB-S2

standard will allow some link margin

(+3 dB) and/or longer connection.

A single uplink station will

allow at least 6 minutes ofvideo, for a pass with 50°elevation.

HAM Video on-board receiver using COTS

27/01/2014

HAM Video on-board receiver using COTS

27/01/2014

HAM Video on-board receiver replaces CANON XH Camera

HAM Video Plusbased on a Microsoft Surface Pro 4 Tablet

HAMVIDEO

KuPS

28 V DC

NTSC + audio

ARISS-41 Antenna

ARISS-43 Antenna

Band-Laudio/video

receiver

S-Band

L-BandDVI/NTSC

Video converter

H.264

Equipments already on board the Columbus

Tablet

28 V DC

PowerDistribution

Module

HAMVIDEO+

HAM Video PlusL-Band audio/video receiver

MINITIOUNER by F6DZP

27/01/2014

HAMTV-PLUS Up-link Ground Station

AUDIO & VIDEO

TX DVB-S

AMPLIFIER

ANTENNA & ROTOR EL/AZ

SCHOOL

COMPUTER & TRACKING INTERFACE

27/01/2014

HAM Video uplinkLink Budget Analysis (HD-TV)


• Camera

• MPEG4/H.264 encoder, 1,5 Mbps output rate

• DVB-S Modulator (FEC ½) or DVB-S2 (FEC ¼)





A single uplink station will allow at

least 6 minutes of video, for a passwith 50° elevation. Upgrading the

modulator to DVB-S2 will allow about

10 minutes of video uplink

6’ 4

0”

DV

B-S

Up

link

Vid

eo

DVB-S FEC 1/2

DVB-S2 FEC 1/4

27/01/2014

HAM Video uplinkLink Budget Analysis (SD-TV)


• Camera

• MPEG4/H.264 encoder, 600 Kbps output rate

• DVB-S Modulator (FEC ½) or DVB-S2 (FEC ¼)





A single uplink station will allow at

least 6 minutes of video, for a passwith 50° elevation. Upgrading the

modulator to DVB-S2 will allow about

10 minutes of video uplink

6’ 4

0”

DV

B-S

Uplin

k

Vid

eo

DVB-S FEC 1/2

DVB-S2 FEC 1/4

hamtv uplink k.i. proposal - ariss-eu.org fileham video receiver proposal in few words • pi: ariss...

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