Presentation AlfaSpid rotator Big RAK VE6OH (c) www.alfaradio.ca

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Presentation AlfaSpid rotator Big RAK VE6OH (c) www.alfaradio.ca

Visalia, CA, USA DX convention

New product announcementAlfaRadio Ltd.

WWW.ALFARADIO.CAWWW.ALFASPIDROTATORS.COM

BY J. T. ( Mitch ) Mitchell VE6OH

Presentation AlfaSpid rotator Big RAK VE6OH (c) www.alfaradio.ca

Presentation AlfaSpid rotator Big RAK VE6OH (c) www.alfaradio.ca

ALFASPID BIG RAK

• Double worm drive– High accuracy pointing - 1 Degree ( 0.5 )

• Antenna on top of Rotator– Able to take large antenna on top without

extra support bearing• Will handle MonstIR by SteppIR

Presentation AlfaSpid rotator Big RAK VE6OH (c) www.alfaradio.ca

ALFASPID BIG RAK

• Pipe to Pipe mount– Ideal for side mount

• Quite self braking – ( Double worm )

• 360 degree + and – 180 degree

Presentation AlfaSpid rotator Big RAK VE6OH (c) www.alfaradio.ca

Normal 360- 180

or +540 from

North 0for

total of 720

Presentation AlfaSpid rotator Big RAK VE6OH (c) www.alfaradio.ca

ANNOUNCING• ALFASPID BIG RAK• 12 – 36 VOLT• AC or DC • Torque (Preliminary )

– 12 Volts 2800 lb in– 18 Volts 3600 lb in– 24 Volts 4095 lb in– ~36 Volts 6500 lb in

• Tests on unit with 24 Volt motor, 36 volts may require external relays.

Presentation AlfaSpid rotator Big RAK VE6OH (c) www.alfaradio.ca

ALFASPID BIG RAK

• Able to pass coax thru the centre of rotator• Non clam shell mount• Up to 2.6 inch OD Pipe

– Top and bottom

Presentation AlfaSpid rotator Big RAK VE6OH (c) www.alfaradio.ca

ALFASPID BIG RAK

• Low D.C. Voltage to rotator• No special wiring• Easy to remote power• Long cable runs OK

– i.e. 1900 Feet of # 22 for sense• No fixed mount direction

– Settable North or South

Presentation AlfaSpid rotator Big RAK VE6OH (c) www.alfaradio.ca

Comparison of BIG RAK and RAK

Presentation AlfaSpid rotator Big RAK VE6OH (c) www.alfaradio.ca

Controller

Presentation AlfaSpid rotator Big RAK VE6OH (c) www.alfaradio.ca

Controller Features• Easy to Zero for North or South

– Software resets zero point• Adjustable calibration without reset

– Able to adjust for antenna mast misalignment• Settable high and low stop limits• SIX adjustable presets with mouse control

Presentation AlfaSpid rotator Big RAK VE6OH (c) www.alfaradio.ca

Controller Features• Large Display• Small foot print• Stackable• No transformer

– No induced EMF to monitors or audio input lines

• RS232c interface– Specification on website for programmers

Presentation AlfaSpid rotator Big RAK VE6OH (c) www.alfaradio.ca

Controller Features• Able to set zero (180 degrees) at any point

– No need to physically mount rotator to North• Able to adjust set point to compensate for

antenna mount errors.• 6 programming preset points• Full 360 +and- 180 degrees (720)

Presentation AlfaSpid rotator Big RAK VE6OH (c) www.alfaradio.ca

Couplers

Presentation AlfaSpid rotator Big RAK VE6OH (c) www.alfaradio.ca

• Price–AlfaSpid Big RAK

– ~$1485.00 USD–FOB Edmonton, AB

–Delivery ~ 4 weeks

• www.alfaradio.ca

Presentation AlfaSpid rotator Big RAK VE6OH (c) www.alfaradio.ca

Good DX

73