This is the Nautel Radio Section of
The Broadcast Archive

Maintained by:
Barry Mishkind - The Eclectic Engineer
Last Update 11/6/19

Nautel Limited
10089 Peggy's Cove Road
Hackett's Cove
Nova Scotia, Canada B3Z 3J4
Phone: (902) 823-2233

The first transmitters by NAUTEL (Nautical Electronics) were delivered in 1970; they were 500 W radio beacons operating in the 190-535 kHz Aeronautical/Marine Navigation band. Many of these are still in service. 

The first solid-state Broadcast AM transmitters were delivered in 1974. Essentially beacons modified for AM, some of the early broadcast transmitters were sold to Parks Canada to provide in park radio information broadcasts. The first systems were not class D.

The first commercially successful Broadcast AM transmitter was the Ampfet 10, delivered in 1982, closely followed by the Ampfet 5, and the Ampfet 1 in 1983. The first 50 kW solid-state transmitter was delivered in 1985. 


AM Transmitters

NTB-200 - 50 W (1973) 
Designed for CBC North
2 - 2 kW (1974) 
FET-less Solid State units built for New Zealand  (

one of them at the
Eureka transmitter site serving Hamilton city. The other was installed
at Queenstown. They ran 32 linear power amplifiers and required 8kW
input for 2kW RF output.)

P Series - 50 and 400 W (1984)  

Ampfet Series
1 k W to 50 kW  (1982)


ND Series
1 k W to 50 kW (1988) 

NA Series
100 k W to 400 kW (1995)
(NA= "Nautel Agile") 

XL Series
12 k W to 60 kW (1996) 
(XL = "Excel")

J Series 1 kW (2004)
(J = "Jazz")

XR Series
3 kW to 50 kW (2005) 
NX Series 
25 k W to 300 kW (2008) 


FM Transmitters

FM Series
4 kW to 20 kW  (1992)



Q Series
10 k W to 40 kW (2002)
(Q= "Quantum")



V Series
1 k W to 40 kW (2004) 
(V= "Virtuoso"


NV Series
3.5 k W to 80 kW (2008)
(NV= "New V") 



VS Series
300 W to 2.5 kW (2010)
(VS= "Very Small")


Exciters Transmitters

(M= "Maestro")


(NE= "New Exciter")

Thanks to Nautel for providing a some of the information and pictures on this page.

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Copyright 1993-2008, 2009  by Barry Mishkind. This material on this site should not be reproduced or reposted in whole or part without express approval.

It would be a kindness if you'd take a moment and let me know who you are and what interests you have. If you can share some information, or even a picture, that would be great! Just use the address below. Thanks. (Please note: Due to the huge amount of spam on the internet, it would be extremely helpful if you would use something like [Oldradio] in your subject line, so the filters don't get in the way.)

An important note about this resource:

We have used many sources, including FCC files, university lecturers, historical publications and more, and have tried to be as accurate as possible, not repeating many of the myths of the industry (such as the Uncle Don Story) nor histories "manufactured" by promotion departments. However, I am not perfect, and may well have overlooked something. If you do see an error or omission, please let me know.

The accuracy and expansion of this resource depend upon our SHARING our efforts.

        Barry Mishkind