[Knightsqrss] LOCAL QRSS ON 600 KHZ

[Paolo Cravero]

Paolo Saia wrote:

>  I have a ferrite rod of 20 cm (material up to 1MHZ).

Paolo, do you have a bare rod or also a coil over it?

You'll need a LOT of turns to be able to resonate it on MF with a reasonable C 
value.

Example: 100pF resonates at 500kHz with 1mH coil. How many turns does that 
mean on your rod?

In the past I've successfully built a square multiturn loop using a 4m of PC 
flat cable (26 conductors), resonated with a air-spaced variable capacitor 
(20-200pF). It tuned sharply over the whole LF and low-MF range. Unfortunately 
I have no pictures nor description of it.

It is not as compact as a rod. If you want to pursue the rod way, take one 
from a MF receiver!

Paolo IK1ZYW