[Elecraft] Mobile high power

Bob McGraw K4TAX rmcgraw at blomand.net
Mon May 6 15:41:31 EDT 2019


Nope not out of service here.   The 40 MHz band is used in Tennessee 
today  by the Tennessee Highway Patrol and Department of Safety.   Look 
at any of the TN black and whites and notice the 5 ft whip with the 
spring and ball at the base.  All of those radios are 100 watt 
mobiles.   And when they stop quickly it goes "swish swish swish".

Nope, propagation has not changed in that regard.

73

Bob, K4TAX


On 5/6/2019 1:17 PM, Jim Brown wrote:
> On 5/6/2019 10:23 AM, Dave New, N8SBE wrote:
>> The other unfortunate effect of designing for police/fire/ambulance
>> service, is that all those radios are now VHF/UHF and up.  No more HF
>> radios.  They went out with the state-wide sheriff's networks of old
>> that ran on 40 MHz or so.
>
> One exception that I'm aware of to the best post in this chain -- last 
> I heard (about ten years ago), that 40 MHz band was still used by the 
> highway patrol in California because it propagates better in the 
> mountainous terrain. Perhaps this has changed?
>
> 73, Jim K9YC
>
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