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     Peter Miles
     Northam, Western Australia
     QRZ Page: VK6YSF

 

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ICOM IC-2730A

The Icom IC-2730A is a dual-band (VHF/UHF) FM mobile transceiver


 

Below are the detailed technical specifications and features for the Icom IC-2730A 

 

General Specification

Details

Type

Dual-band FM transceiver

Frequency Coverage

TX: 144–148 MHz / 430–450 MHz (U.S. version)

RX: 118–174 MHz / 375–550 MHz

Operating Modes

FM, FM-N (narrow), AM (airband receive only)

Number of Channels

1,000 regular + 50 scan edges + 4 call channels

Antenna Impedance

50 ohms, SO-239 connector

Power Supply Voltage

13.8 VDC ±15%, negative ground

Current Drain

RX: 1.0 A, TX: 11 A max

Dimensions (W × H × D)

150 × 40 × 151 mm 

Weight

1.2 kg 

 

 

Transmitter Specification

Details

Output Power

High: 50 W (VHF/UHF), Mid: ~15 W, Low: ~5 W

Modulation

Variable Reactance FM

Max Deviation

±5 kHz (FM), ±2.5 kHz (Narrow FM)

Spurious Emissions

>60 dB below carrier

Microphone Impedance

600 ohms (HM-118TN microphone)

DTMF / CTCSS / DCS

Built-in encoder/decoder

 

 

Reciever Specification

Details

Receiver Type

Double conversion superheterodyne

Sensitivity (12 dB SINAD)

<0.18 µV (VHF/UHF)

Selectivity (FM)

12 kHz / 24 kHz (-6/-60 dB)

Selectivity (FM-N)

9 kHz / 20 kHz (-6/-60 dB)

Audio Output Power

2.0 W at 10% THD into 8 ohms

Audio Load Impedance

8 ohms

Airband Reception

AM demodulation supported (118–137 MHz)

 

 

Key Features

  • True Dual Receive: VHF/VHF, UHF/UHF, or VHF/UHF

  • Simultaneous Dual Band Display: Side-by-side display of both active bands

  • Detachable Front Panel: Flexible mounting for mobile installations

  • 1,000 Memory Channels: With alphanumeric tags (up to 8 characters)

  • CTCSS and DTCS (DCS): Encode and decode built in

  • Tone Scan and Pocket Beep

  • Multiple Scan Types: Memory, program, bank, skip, and priority scan

  • Cross-band Repeater Function

  • Backlit Control Head & Display

  • Optional Bluetooth Module (UT-133) for wireless mic/headset

  • Optional Voice Guide Unit (for accessibility)

 

Rear Panel & Connectors

  • Antenna Connector: SO-239

  • External Speaker Jacks: 2 (left and right audio)

  • Data Port: 6-pin mini-DIN for TNC or PC interface

  • External DC Input: 13.8 VDC

  • Remote Head Cable Port: For front panel separation (uses OPC-1156 or OPC-837)

 

 

 

TOP OF PAGE

Page initiated 25 June 2025

Page last revised 05 November, 2025

 

 

   Space Weather

   https://www.swpc.noaa.gov/

    

Nikola Tesla, born on 10 July 1856, was one of 

history's most influential inventors.

   Notice Board

VK6YSF JS8Call and Olivia 8/250 operations.

Current activity is generally focused - though not restricted to - JS8Call operations on the 30m, and 40m bands.

Olivia 8/250 is used occasionally on the 20m band.

Proposed band and mode activity is often communicated on HamSpots: https://hamspots.net/js8/ or my profile on 

X: https://x.com/vk6ysf97230 .  

Post date: 5 July 2026

 

Local Repeaters

The Local Repeaters page has been updated with expanded and refreshed information on VHF and UHF repeaters across Western Australia's Central Coast, Perth, the Avon Valley, and the Peel region.

See: https://vk6ysf.com/local_repeaters.htm 

Post date: 5 July 2026

 

MARMOTSat

An exciting upcoming amateur radio CubeSat

Proposed launch date: 7 July 2026

Expected payload includes:

145.875 MHz – AX.25 packet digipeater
436.125 MHz – Telemetry & command (digital)
29.410 MHz – CW telemetry beacon, DVB-S2 experiments.

https://marmotsat.ca
https://www.propagationlab.ca/satellite/

Post date: 5 July 2026

Western Australian SSTV net 

Popular Western Australian SSTV net for both digital and anolog SSTV.

Generally found at 7214.0kHz LSB every afternoon from 08:00 UTC (4:00pm WST)

For more details: https://www.wasstv.net/wasstv.net/index.html

Post date: 8 December 2025

 

VK6MJM LF (136kHz) and MF (474kHz) Beacon

VK6MJM is a  LF/MF station located in Manjimup, Western Australia.

Common Mode: FST4W 300 (Similar to WSPR)  

Note: other modes and sub-modes may be used.

Station details were presented by Peter Hall (VK6HP) at PerthTech 2024.Presentation PDF: Peter Hall VK6HP at PerthTech

QRZ Page: VK6MJM on QRZ.com

Post date: 10 March 2025

 

 

 

 

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Amateur Radio Station VK6YSF - Promoting amateur radio communication and experimentation.