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Bandspread was pretty normal for the times, but not on the cheapest equipment. You used the normal radio tuner - just selected bandspread on something - probably had BFO too for morse code and as a tuning aid. Yes - I think there was also a 15m band - gave a nice response on my ex-navy CR100 - and 'top band' was 160m. Ah, I wonder how the daffodil-like bulb called a 'narcissus' is spelt in USA? That's where it all started - poor old Narcissus who fell in love with his reflection and died through lack of food/water. Certainly not a 'sassy' lad. ;-) Dave. UK VW Type 3 & 4 Club http://www.hallvw.clara.co.uk/ ------ ----- Original Message ----- From: "Jim Adney" <jadney@vwtype3.org> To: <type3@vwtype3.org> Sent: Thursday, October 21, 2004 3:59 AM Subject: Re: [T3] Blaupunkt extra? > On 19 Oct 2004 at 23:08, Dave Hall wrote: > > > They are the wavelengths in metres of typical broadcast bands - short > > wave AM - for bandspread to allow the whole of the band to be swept with > > lots of turns of the tuning knob. My '57 radiogram has 16,19, 25, 31, > > 41, and 49 marked with lines to show the extent, but not the top end > > ones (bottom?) > > When I try to work that out, our (1 MHz) AM band comes out to 300 m, so these > bands would all be very much higher than this. These aren't ham bands, either, > because I think the old traditional ham bands were 10, 20, 40, 80 m. > > And how would you tune this? At first I thought this would be impossible, but > you could heterodyne a higher frequency down to the AM band and then tune with > the radio's tuner. The blank button would just pass the unaltered signal > straight thru to the radio. > > > I like Kermit in the bud vase - less cissy than a flower. > > That's a difference I never expected; we spell it sissy.... ;-) > > -- > ******************************* > Jim Adney, jadney@vwtype3.org > Madison, Wisconsin, USA > ******************************* > > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > List info at http://www.vwtype3.org/list | mailto:gregm@vwtype3.org > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > > >