Stefan;
I have had great results using even an old Heath-kit SWR meter!
 

> Date: Sun, 29 Sep 2013 19:34:52 +0200
> From: [email protected]
> To: [email protected]
> Subject: LF: HF SWR meters on MF?
>
> Hi MF,
>
> Did someone try to use a normal HF SWR meter on 630m? They are
> specificated down to 1800 kHz of course but what about 472 kHz?
>
> At least it would be good to get some indication that:
>
> -There is some output power (e.g. when using an IC706)
> -One is coming closer to resonance
> -Impedance is/comes close to 50 Ohm
>
> I'm supporting a new potential MF RX station with limited equipment (no
> oscilloscope...)...
>
>
> 73, Stefan/DK7FC
>