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Contact Details
Peter Miles
Northam, Western Australia
QRZ Page: VK6YSF
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KENWOOD TS-450S
The
TS-450S covers 1.8 - 30 MHz all-mode with 100 watts of r.f. output.
Below
are the detailed technical specifications and features for the Kenwood
TS-450S
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General
Specification
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Details
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Type
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HF
All-mode Transceiver
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Frequency
Coverage (TX)
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1.8–30
MHz (includes WARC bands)
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Frequency
Coverage (RX)
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100
kHz – 30 MHz
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Modes
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USB,
LSB, CW, AM, FSK
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Emission
Designators
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A3E,
J3E, F1B, A1A
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Antenna
Impedance
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50
ohms, unbalanced
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Power
Supply
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13.8
VDC ±15% (negative ground)
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Current
Drain
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RX:
1.5 A max, TX: 20 A max
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Dimensions
(W × H × D)
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270
× 96 × 318 mm (10.6 × 3.8 × 12.5 in)
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Weight
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Approx.
6.6 kg (14.6 lbs)
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Transmitter
Specification
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Details
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Output
Power
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100 W
(SSB, CW, FSK); 40 W (AM carrier)
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Modulation
Types
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Balanced
modulator (SSB), Low-level (AM)
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Harmonic
Suppression
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>50
dB
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Carrier
Suppression
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>40
dB
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SSB
Frequency Response
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300–2700
Hz
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Microphone
Impedance
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600
ohms
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Keying
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Semi/Full
break-in CW; External key jack
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Speech
Processing
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Built-in
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Reciever
Specification
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Details
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Receiver
Type
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Triple
conversion superheterodyne
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1st
IF
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73.05
MHz
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2nd
IF
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8.83
MHz
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3rd
IF
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455
kHz
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Sensitivity
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SSB/CW:
<0.2 µV (10 dB S+N/N), AM: <2 µV
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Selectivity
(SSB)
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2.4
kHz (–6 dB), >4.0 kHz (–60 dB)
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Selectivity
(CW)
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0.5
kHz (with optional filter YK-88C)
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Selectivity
(AM)
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6.0
kHz (–6 dB), >12 kHz (–50 dB)
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Audio
Output
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1.5 W
into 8 ohms @ 10% THD
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RIT/XIT
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±9.999
kHz
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IF
Shift
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Built-in
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AGC
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Fast/Slow/Off
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Noise
Blanker
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Built-in
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Features
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100
Memory Channels (with frequency and mode)
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CW
Full & Semi Break-in Operation
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Built-in
Antenna Tuner (in TS-450SAT model)
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RIT/XIT
(Receiver/Transmitter Incremental Tuning)
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IF
Shift for interference reduction
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RF
Gain and Squelch controls
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Dual
VFOs (A/B)
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Wide/Narrow
filter support (optional)
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Computer
Control (RS-232 with optional IF-232C interface)
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CW
Sidetone & Tone Control
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Selectable
AGC speeds
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Optional
narrow filters for CW and SSB (e.g. YK-88SN, YK-88C)
Rear
Panel Connectors
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SO-239
antenna connector
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13-pin
DIN accessory jack (ACC2)
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8-pin
DIN for AT or linear amp control
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RCA
key jack (CW)
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RS-232
(optional IF-232C interface for CAT control)
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External
speaker jack (3.5 mm)
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DC
power input (6-pin Molex)
Repairs,
maintenance and related projects
TOP
OF PAGE
Page initiated 26 June
2025
Page
last revised 05 November, 2025
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Space Weather
https://www.swpc.noaa.gov/
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Nikola Tesla, born on 10 July 1856, was one of
history's most influential inventors.
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Notice Board
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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
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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
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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
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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
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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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