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     Peter Miles
     Northam, Western Australia
     QRZ Page: VK6YSF

 

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KENWOOD TS-930S

Kenwood TS-930S all mode HF/MF transceiver.

 

The Kenwood TS-930S is a superlative, high performance, all solid-state, HF transceiver capable of operation in SSB, CW, FSK and AM modes. Coverage includes the WARC bands. The all solid-state 28 volt final amplifier runs 250 watts PEP input on USB, LSB, CW and FSK and 80 watts on AM mode.

  

 

General Specifications

Details

Type

HF Base Station Transceiver

Frequency Coverage

TX: 1.8–29.7 MHz (amateur bands only)

RX: 150 kHz–30 MHz (general coverage)

Operating Modes

USB, LSB, CW, AM, FM (optional board), FSK (RTTY)

Synthesizer Type

PLL with digital display (100 Hz resolution)

Power Supply

Internal AC (100/120/220/240 VAC switchable, 50/60 Hz)

Power Consumption

RX: 100 W

TX: ~500 W max

Dimensions (W×H×D)

370 × 142 × 370 mm (14.6 × 5.6 × 14.6 in)

Weight

~15.5 kg (34 lbs)

 

 

Transmitter Specification

Details

RF Output Power

5–100 W (AM: 25 W carrier / 100 W PEP)

Final Amplifier

2 × MRF-458 bipolar transistors (solid-state finals)

Spurious Emissions

–50 dB or better

Harmonic Suppression

–40 dB or better

SSB Frequency Response

400 Hz – 2600 Hz (adjustable with filters)

AM Modulation

Low-level carrier injection

CW Keyer

Built-in full break-in (QSK capable)

 

 

Reciever Specification

Details

Feature

Specification

Receiver Type

Triple conversion superheterodyne

Receiver system

Quadruple conversion superheterodyne

1st IF: 44.93 MHz

2nd IF: 8.83 MHz

3rd IF: 455 KHz

4th IF: 100 KHz

Sensitivity:

150 - 500kHz Less than 1uV for SSB, CW and FSK

150 - 500kHz Less than 10uV for AM

500kHz - 1.8MHz Less than 4uV for SSB, CW and FSK

500kHz - 1.8MHz Less than 32uV for AM

1.8 - 30MHz Less than 0.25uV for SSB, CW and FSK

1.8 - 30MHz Less than 2.uV for AM

Selectivity: Standard AM(W)

AM(W): 6kHz /-6dB, 18kHz / -60dB

Selectivity: YG-455C-1 Filter

CW: 500Hz /-6dB, 820Hz / -60dB

Selectivity: YG-455CN-1 Filter

SSB: 250Hz /-6dB, 480Hz / -60dB

Selectivity:  YG-88A-1 Filter 

AM(W): 6kHz /-6dB, 11kHz / -60dB

Image rejection:

More than 80dB (1.8MHz ~ 30MHz)

Notch Filter Attenuation

More than 40dB

Phone Patch Output Z

600 Ohms

Audio Output Power

1.5W across 8 Ohms

IF Frequencies

1st: 8.83 MHz, 2nd: 455 kHz, 3rd: 100 kHz

 

 

Photo1 Kenwood TS-930S all mode transceiver.

  

Features

  • Digital frequency display (100 Hz resolution)

  • Built-in power supply for direct AC operation

  • IF notch filter

  • Preselector (manual peak tuning on front panel)

  • RF speech processor (adjustable compression)

  • Selectable AGC speeds

  • CW sidetone pitch adjustment

  • Optional FM unit (FM-430) and narrow filters (CW/RTTY)

  • IF output jack for panadapter or signal monitoring

 

Rear Panel Overview

Connection

Purpose

SO-239 RF Out

Main antenna connector

Remote terminal

External VFO, linear amp control, mute, ALC input

Accessory jack

Audio in/out, T/R switching, keying (FSK, CW)

IF Out

For spectrum scopes or panadapters (at 8.83 MHz)

DC 13.8V out

For external accessories

Ext Speaker

8-ohm speaker output

 

 

Common Issues & Notes

  • Power supply section can fail—particularly the switching regulator

  • PLL unlock or display issues common with age (electrolytic capacitor failure)

 

Repairs, maintenance and related projects

TS-930S meter backlight replaced with new bright LEDs

ts-930s_back_light_replacement

3 July 2018

  

 

For further technical information see: http://jvgavila.com/ts930s.htm

  

 

TOP OF PAGE

Page initiated 01 September 2018

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.