Transmitters / Hurricane
Hurricane AM modulator, front view
Intelligent AM medium wave transmitter

Hurricane

520–1730 kHz · OLED menu · Made in the UK

A digital frequency synthesiser under the control of a RISC microcontroller, in a box that is ready to run. Plug in any audio source, connect the supplied aerial wire, and every AM set in the house will pick it up. Add Bluetooth to stream from your phone, or Bluetooth remote control to run it from an app.

Free delivery to UK addresses£119.95
Buy with PayPal

Opens PayPal checkout in a new tab. Ships worldwide, subject to the regulations of the destination country. The US version complies with FCC Part 15.

Front panel

On the display

Three buttons, Menu, Dec and Inc, step through every setting on the OLED screen.

OLED screen: Frequency
FrequencySet the frequency with the front-panel buttons.
OLED screen: Wavelength
WavelengthShow the dial in metres instead of kHz.
OLED screen: Audio gain
Audio gainAdjust input gain to suit your source.
OLED screen: VU meter
VU meterWatch the audio feed in real time.
OLED screen: Modulation
ModulationRead modulation depth as a percentage.
OLED screen: Aerial volts
Aerial voltsCheck the aerial is tuned correctly.
OLED screen: Test tone
Test toneSwitch on 800 Hz to find the signal on your set.
Factory settings

Set for your region

Each Hurricane ships with the frequency and channel spacing used where you live.

Default frequency
1440 kHz
Channel spacing
9 kHz
Tuning range
520–1730 kHz
Options

Bluetooth & remote

Bluetooth audio streaming. Pair the Hurricane with your phone, tablet or computer and stream straight to it, with no cable.

Bluetooth remote control. Run the Hurricane from an Android phone or tablet, an iPhone or iPad, or a Windows PC. Use the Hurricane BLE app on Android, or any Bluetooth terminal app on Android, iOS or Windows for command-line control.

In the box
Universal 15 V regulated PSU with UK, EU, US & AU leads
3 m wire aerial
3.5 mm audio cable
Full detail

Specifications

Frequency controlCrystal-controlled digital synthesiser, RISC microcontroller
Frequency range520–1730 kHz; 1800–2000 kHz (160 m)
Defaults1440 kHz, 9 kHz spacing (EU) · 1600 kHz, 10 kHz (US)
Power outputLPAM 100
MetersAudio VU, modulation, aerial voltage
Audio inputMono or stereo, 3.5 mm jack
Aerial connectorRCA phono or BNC
Aerial supplied3 m (9 ft) wire
Power15 V DC regulated, 115/230 V supply, 2.1 mm, tip positive
GroundingSplit RF and audio grounds, external ground point
BuildFully built and tested, IP56 plastic case
ComplianceFCC Part 15 (US version)

EU conditions of sale

Under the EU R&TTE directive and EMC directive 2004/108/EC, to buy the Hurricane from within the European Union you must agree that one of the following applies:

  1. It is for use in the Netherlands under a low-power AM (“laagvermogen AM”, LPAM) licence granted by Agentschap Telecom.
  2. It will only be used inside a completely RF-screened and shielded metal enclosure or environment, for testing, evaluation, experimental or laboratory purposes, or any other use that does not radiate electromagnetic waves into free space. You are not an unqualified end user and have RF engineering and electromagnetic compatibility skills at your disposal.
  3. You intend to export it to an address outside the European Union. Under no circumstances will it be resold or put into service within the European Union.
  4. It is for use by a licensed radio amateur on the 160 m band.