KW Vanguard Transmitter
MkI & MkII Mk 1 Mk 2 Mark 1 Mark 2

Including the Circuits with & without the PA Clamp Valve


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The KW Vanguard is an all valve amateur radio transmitter.

Covering the amateur bands 160,  80, 40, 20, 15 & 10 meters.

Amplitude modulation and CW.

Using a 6146 in the PA.

The frequency is generated by a Geloso VFO.


Frequency Coverage.

l0m. band: 28.0 - 29.8 mc/s.
15m. band : 21.0 - 21.6 mc/s.
20m. band: 14.0 - 14.4 mc/s.
40m. band: 7.0 - 7.45 mc/s.
80m. band: 3.5 - 4.00 mc/s.

Power Input to P.A.
50 watts Phone or C.W.

Output Circuit
P1 Section filter (variable impedance) Co-axial socket for aerial.

Phone Operation
Plate and Screen modulation, up to 100 per cent.
Separate H.T. supply for modulator.

Microphone Input
High impedance for crystal mic.

Metering
P.A. Grid current.
PA. Plate current
Per cent Mod.
Selected by means of a switch.

Power Line Requirements
200-250v. a.c. 45-65 cycles.

KW Top View.jpg (68953 bytes)


There does not appear to have ever been a full manual produced on the KW Vanguard,
at least I have never seen one.

The compilation we have covers both models including the Circuits.
With & without the PA Clamp Valve.

Kind Regards Allen and Alanna G0RIT

 

The KW Vanguard is a nice transmitter with plenty of modulation,
I have 30 pages on the KW Vanguard including layouts. 

Circuits for the main transmitter PA and power supply covering both models, including the Circuits with & without the PA Clamp Valve.
Circuit Geloso VFO 
Components and parts list 
Features and technical details 
Vanguard 160 meter operation 
Calibration 
Calibration Chart
Technical data and alignment 
Valve voltages 
Operating and tuning procedure 
Key Click filter and alternate keying arrangements
Layouts VFO
Layouts Main Transmitter

KW Bottom View.jpg (69812 bytes)


KW Vanguard
Manuals are Available Worldwide as a Download on CD or Paper Copy.

Manual 30 A4 pages worldwide
Download 12.50

Printed Paper Copy or on CD are Plus Postage.

( For all Payment Options plus UK and Overseas Postage )
( Please Click the Payment Links Below )

We do all we can to provide the very best that is available for you.
But in the unlikely event that any data should not be as you expected.
A refund is always available. Kind Regards Allen and Alanna.


Manuals are Available Worldwide as Paper Copy on CD or as a Download

Thank you for your interest. Allen and Alanna G0RIT
Should you wish to purchase

 
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Revised: October 29, 2013