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 [469 KB] in PDF formats.

NEWS 2022

#1 Now available new model SPID BIG-RAS/HR Model 2022:
New pulse count electronincs and new IP-68 Connector set.

#2 SPID and RF HAMDESIGN introduce new Firmware for MD-0X model controllers (SPID /HR rotor systems)
Check out the SPID / HR Support page and log in with your acces code

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 4.5 Meter !!
(Close up picture elevated DISH )
Note: For smooth Elevation rotation it is recommended to add counterweights to this section to create balance.

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
* IP-68 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 [469 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 [469 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.
(Or optional MD-02 and PS-02 (Desktop enclosure)

PS-01 Connector side

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


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 Actual Price: Refer price list
CCM - CURRENT CONTROL MODULE measurement tool for AZ and EL motor, Part number: SPID-CCM Actual Price: Refer price list
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
Actual Price: Refer price list
Control cable necessary for AZ&EL motor, 4-core (4x1,5mm2 sq): Actual Price: Refer price list
Control cable necessary for positions sensors 6-core (6x0,25mm2 sq): Actual Price: Refer price list
Length >25Meter need screened positions sensor control cable. Actual Price: Refer price list
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 [469 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 :