Navigation

     Contact Details

     Peter Miles
     Northam, Western Australia
     QRZ Page: VK6YSF

 

     Email

     

 

       Social Media

             

 

    Buy me a coffee

If you found information on this site interesting, beneficial, or learned something new, please consider buying me a cup of coffee by clicking the coffee cup below. It helps keep the website going and is greatly appreciated.

 

 

 

KENWOOD TS-700SP

Kenwood TS-700SP 2 meter multi-mode transceiver


 

The Kenwood TS-700SP 2 meter multi-mode transceiver provides 10 watts output in FM, SSB and CW modes

  

  

General Specification

Details

Radio Type

VHF All-Mode Base Station Transceiver

Frequency Coverage

144–148 MHz (2-meter amateur band)

Operating Modes

SSB (USB/LSB), CW, FM, AM

Power Supply

Built-in 120/240 VAC supply or 13.8 VDC (external DC input)

Power Consumption

RX: ~30 W

TX: ~150 W (AC input, depending on mode/output)

Dimensions (W×H×D)

330 × 125 × 300 mm (approx. 13 × 5 × 12 in)

Weight

~10.5 kg (23 lbs)

 

   

 

Transmitter Specification

Details

RF Output Power

10 W SSB/CW/FM (nominal)

3 W AM

Final Amplifier

2 × 2SC1306 transistors (solid-state finals)

Spurious Emissions

-60 dB or better

Modulation

Low-level for SSB/CW, high-level for FM

Mic Impedance

600 ohms (standard dynamic microphone)

 

 

Receiver Specification

Details

Receiver Type

Double conversion superheterodyne

1st IF / 2nd IF

10.695 MHz / 455 kHz

Frequency Coverage

144–148 MHz (amateur band only)

Modes Supported

SSB (USB/LSB), CW, FM, AM

Sensitivity (SSB/CW)

0.3 µV for 10 dB S+N/N ≈ –115 dBm

Sensitivity (FM)

0.5 µV for 12 dB SINAD ≈ –113 dBm

Selectivity

SSB: 2.4 kHz

CW: 500 Hz (optional)

FM: 15 kHz

Image Rejection Ratio

≥60 dB

IF Rejection Ratio

≥60 dB

AGC

Selectable: Fast / Slow / Off

Noise Blanker

Yes (switchable)

IF Shift

Yes (SSB/CW only)

Audio Output Power

1.5 W into 8 ohms (internal speaker), 2 W max (external)

Audio Response

300 Hz – 3.0 kHz (typical for SSB)

RIT

Yes (Receiver Incremental Tuning, ±5 kHz range)

 

 

 Photo 1 Kenwood TS-700SP 2 meter multi-mode transceiver.

 

 

Features

  • All-mode operation (AM SSB, CW, FM) on 2 meters

  • Digital frequency display (LED, 100 Hz resolution)

  • Built-in AC and DC power supply

  • VOX and speech processor (adjustable)

  • Noise blanker

  • IF shift for adjacent signal reduction

  • RIT (Receiver Incremental Tuning)

  • Antenna preamp and attenuator switchable

  • Multiple memory channels (for FM use)

  • FM deviation adjustment

  

 

Rear Panel Connections

Connector

Function

SO-239

RF output (50 ohms)

Remote Control Port

External VFO or frequency control

External Speaker Jack

8-ohm output

Key Jack

CW key input

Accessory Port

For TNC, audio input/output, mute, and other interfaces

DC Power Input

13.8 VDC operation (via heavy duty DC cable)

 

 

Notes on Usage & Restoration

  • Older units may suffer from display issues or aging electrolytic capacitors

  • Accurate alignment of VFO, BFO, and filters is key to good SSB performance

 

 

Repairs, maintenance and related projects

Kenwood TS-700SP receiver repair. https://vk6ysf.com/ts-700SP_maintenace.html 21 August 2018
Kenwood TS-700SP antenna to receive / transmit relay repair. https://vk6ysf.com/ts-700sp_maintenace_20230228.html 28 February 2023

 

 

TOP OF PAGE

Page initiated 01 June 2019

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

 

 

 

 

All content may be used for unlimited distribution with full credits.

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