SUSU Antenna Array
From SUWS-wiki
This page describe the plan to build a new antenna array to mount back on the mast on the West Building (outside the Stag's Head). This would be of benefit to SUWS as well as other societies listed below.
Current Status
- Currently in purchasing and refurbishment stage as well as final planning on assembly and connections
Interested Parties
- SUWS (us) - General Amateur Radio operation / tracking high altitude balloons.
- Space Flight Society
- Interested in helping us.
- Interested in tracking satellite / high altitude balloons
- SUSUtv
- Interested in directional Wi-Fi for live campus broadcast
- Surge
- Interested in properly fixing their FM antenna
- Astronomy
- Interested in 1GHz-2GHz (?) radio astronomy.
- ECS Sensor Network Research
- 868Mhz omni for sensor network node
- There is still room for other interest should there be any
Antenna/Feature Ideas
Confirmed
- HF beam dipole
- triband 2m/70cm/6m omni
- 70cm+2m on dual-axis rotator
- SURGE FM broadcast antenna
- SOWN Wi-Fi @ coordinates
Sensible
- 23cm on spur
- 868 sensor net antenna on spur
- radio telescope (astrosoc)
- monitoring node (temp/wind ect)
Current Plan
From top of the mast to bottom.
- 6m/2m/70cm collinear (AR+satellites+HABs)
- Spur bar
- FM Broadcast antenna (SURGE)
- 2.4GHz omni (sensor networks)
- 868 MHz omni (sensor networks)
- Elevation rotator
- 2m Crossed Yagi (AR+satellites)
- 70cm Crossed Yagi (AR+satellites+HABs)
- 5GHz Wifi Dish (SOWN+SUSUTV)
- HF Dipole (AR)
- Azimuth Rotator
Kit
Arrived and reimbursed
Arrived awaiting reimbursment
- Dual axis Rotator
- need to pay M0NSA
Ordered
Approved
- 2m crossed yagi
- Link [[1]]
- Price: £99.95 + £4.99
- Date to be ordered: ASAP
- Budget: mast
- 70cm Yagi
- Link [[2]]
- Price: £52.96 + £10
- Date to be ordered: ASAP
- Budget: mast
- Triband Verticial
- Link [3]
- Price: £89.95 + £4.99
- To be ordered: ASAP
- Budget: mast
Awaiting Approval
Planned but not ready for approval
- SSD for APU
- Link [[4]]
- Price £34.81
- Date to be ordered: Later
- Budget: to be decided
- Ubiquity Powerbeam PBE-M5-400
- Link [5]
- Price £77.34 (inc. VAT)
- Date to be ordered: Later
- Budget: to be decided
Parts known to be needed
- Vertical mast section
- Horizontal mast section
- Mounting hardware
- Rack cupboard
- Dual axis Rotator Parts
- Grease for rotator
- Rotator to pole bracket (we are short one) (potentially [6])
- Internal patch panel parts
- Parts for HF dipole
- Coax parts
- coax
- connectors
- connection plate
Coax Info
Information sourced from Coax Data and ML&S
Prices sourced from ML&S inc. VAT
Diameter | RF Loss | Max Power Handling | Cost | Datasheet | |
---|---|---|---|---|---|
mm | dB/100ft @ 400MHz | W @ 50MHz (1:1 SWR) | /25m Reel | ||
RG-58 | 5 | 10.5 | 450W | £20.70 | |
RG-213 | 10.3 | 4.5 | 1500W | £32.25 | http://www.romkatel.ro/cataloage/pdf/eupen/RG213.pdf |
Ultraflex 7 | 7.3 | 3.59 | 1820W | £29.70 | http://www.messi.it/dati/immagini/RGAC7PLUS-All1_EN.pdf |
Note: Connectors for Ultraflex 7 are uncommon, and so may add significantly to the expense.