SPID, type BIG-RAS/HR Azimuth & Elevation Rotor

BIG-RAS/HR, New Pulse count Electronics + IP68 connectors

SPID HIGH RESOLUTION ROTOR for Azimuth and Elevation
RESOLUTION: 0.1 Degree !


This SPID Rotator, Part Number: BIG-RAS/HR and MD-01 is a high persision (track) rotator system.
Rotator Controller MD-01 (Option MD-02) has many functions which can be configured by the user, a Dual Voltage power supply PS-01 (Option PS-02) is available.

SPID BIG-RAS/HR rotor is a two engine rotor which has installed two position sensors who count 0,1 degree on impulse.

Download SPID BIG-RAS/HR Specifications Sheet [454 KB] in PDF formats

NEWS 2020/2021:

#1 Now available new model SPID BIG-RAS/HR:
New pulse count electronincs and new IP-68 Connector set.

#2 For existing BIG-RAS/HR users:
Upgrade set new pulse count electronics + IP-68 Connector set.
Check page: Upgrade set /HR rotors

#3 RF HAMDESIGN is looking for NEW firmware testers from serious users of SPID HR rotor systems !
If you are interested, let us know, we will update you with more info
Use the Quote request page to request more info regarding new firmware and let us know which model rotor system you use !

Available is new firmware v.2.0 (Beta-Version) and new version SPIDMD01_DDE program for MD-01 or MD-02 controller

4.5 Meter Dish Ready on NC1I Loction USA (1296MHz EME)

(Mounted on BIG-RAS/HR Rotor system

To control the rotor through the MD-01 controller you need 4-core control cable (4*1.5mm2) to control the AZ & EL engines and 8-core to detect the positions sensors.

* BIG-RAS/HR will handle Big systems arry's, dishes up to 6 Meter !!
(Close up picture elevated DISH )
Note: For smooth Elevation rotation it is recommended to add counterweights to this section to create balance 1

Heavy duty antenna mounting bracket

The BIG-RAS/HR rotator can be mount on a pipe of max. 68mm.
Max. diameter pipe for elevation is 51mm
A XXL Heavy Duty mounting bracket is available, to mount for example a 4.5Meter Dish at the rotator.

SPID BIG-RAS/HR system is supplied including:

* High Resolution BIG-RAS/HR Rotor
* MD-01 Rotor Controllor with Display (MD-02 option)
* MD-01dde Software (to control rotor from PC)
* USB driver
* Connectors

Specifications /HR Rotator:

DJ5AR (Ham Radio Station Germany)

3 Meter Dish incl BIG-RAS/HR rotor

* Double metal worm gear drive.
* High torque low voltage DC motor.
* Electronic HALL Sensors for position.
* Low backlash.
* Uses 4 core controll cable connection (2 for each rotator)
* Uses 8 core controll cable connection for Positions sensors
* Free Firmware update through Serial port (free of charge)
* Controller including built in Track interface.
* Track software available (0.1dgr resolution)

Download SPID BIG-RAS/HR Specifications Sheet [454 KB] in PDF formats

MD-01 Rotor Controller

MD-01, control

Power Supply Module: PS-01

Power Supply Module: PS-01

PS-01, Insite PSU module

PS-01, SPID Dual Voltage Power Supply unit for use with SPID BIG-RAS/HR and MD-01
(Option MD-02 and PS-02, Download SPID BIG-RAS/HR Specifications Sheet [454 KB] in PDF formats)

This unit supplies the MD-01 unit and other units which need a other voltage and or more current.

We advice you to use the SPID BIG-RAS/HR and MD-01 with Power Supply PS-01 with installed Module: 1* 150W / 15Volts - 10Amp and 1* 480W / 24Volts - 22Amp

PS-1, Back site vew

PS-01 module has an protected circuit for over voltage and automatic switch on/off ventilators
PS-01 unit is delivered incl connectors

Diagramm PS-01 [34 KB]


Without VAT is Export price
Delivered incl. Controller type MD01, software.
(Weight AZ&EL rotator: 22Kg)
Actual Price in Price list
Download it here: PRICE LIST
Ethernet Module 89,00 incl. VAT
73,55 without VAT
Mouse to control Azimuth and Elevation at MD-01 25,00 incl. VAT
20.66 without VAT
Power Supply PS-01, Delivered incl PSU: 1* 15Volt/10Amp & 1* 24Volt/22Amp.
AC input 100 ~ 240 Volt AC
486,00 incl. VAT
401.65 without VAT
Control cable necessary for AZ&EL motor, 4-core (4x1,5mm2 sq): 66,00 / 25 Mtr incl. VAT
54.55 / 25 Mtr without VAT
Control cable necessary for positions sensors 6-core (6x0,25mm2 sq): 42,00 / 25 Mtr incl. VAT
34.71 / 25 Mtr without VAT
Length >25Meter need screened positions sensor control cable. Refer Pricelist
ADAPTOR SPID 39,00 incl. VAT
32.23 without VAT
Connector Set MD-0X or PS-0X
(P/N: MD-X15)
15,00 incl. VAT
12.40 without VAT


Shipment is to lot's of countries possible, we will be
glad to
E-mail you a quotation, or use the Quote request page.

All prices are inc. 21% VAT, if your delivery address is outsite the EU countries no V.A.T. applies, and no VAT applies, if you are inside the EU countries and holding a V.A.T. number.

Download Specification Sheet & Support

Download SPID BIG-RAS/HR Specifications Sheet [454 KB] in PDF formats

BIG-RAS/HR support page is available for:
(Note: Page needs log-in, for RF HAMDESIGN Clients only

* Firmware update
* Download MD-01 Software
* Dirvers
* User Manual

CUAVA-1 CubeSat VHF/UHF Ground Station Project for the University of New South Wales

Av-Comm CUAVA-1 CubeSat Ground Station Project for UNSW

RF HAMDESIGN Supplied equipment for CUAVA-1 CubeSat VHF/UHF Ground Station Project for the University of New South Wales

Av-Comm Pty Ltd in Australia has been installed in a new SPID HF/VHF Cubesat tracking system at our premiere university, The University of New South Wales.

A short time-lapse video of the installation of SPID BIG-RAS/HR rotor system and antennas :