Well, I agree with you that the MF/HF ands have already been developed and
there's not much going on commercially. I was just thinking of QSO-type
communications where most of that goes on MF/HF bands.
I also agree that much innovative work occurs in non-MH/HF bands. Thanks.
Sent from my iPhone
On Jul 30, 2012, at 11:23 PM, "Roger (K8RI)" <k8ri@rogerhalstead.com> wrote:
On 7/31/2012 12:04 AM, Robert Logan wrote:
> Why are MF/HF bands 'obsolete?
The communications folks aren't interested in MF and HF. They work with
CM and mm wavelengths and it's where the expansion is going on as far
as commercial building and where the money is to be made.
The "low bands" have already been developed. At least that's my take.
73
Roger (K8RI)
>
> Sent from my iPhone
>
> On Jul 30, 2012, at 3:36 PM, "Jerry Kaidor" <jerry@tr2.com> wrote:
>
>> And I dont see Freescale or others spending a lot of time and money on the
>> obsolete MF/HF bands.
>
> *** I think the extent of "support" for HF is that they do release parts
> with no built-in input matching.
>
> - Jerry Kaidor
>
>
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