after looking them up on the web it appears these are to block noise.
they are earmuffs! no phones at all!
On Tue, 2009-04-21 at 14:09 -0700, Jim WA9YSD wrote:
> Thanks every one for your input. Interesting all the different ones hams are
> using. Today I ordered an inexpensive pair of on the ear noise canceling
> head phones from Noisebuster. If these do not work out I will have to dig
> into the tin can I buried in the back yard and buy those 300 buck ones from
> I miss those old Navy head set phones.
> Talked to my son at Ft. Bliss, he will be heading to Iraq at the end of the
> month, he said they used Noisebuster PA4200 or PA4000. He was not specific
> on what application they used them on. He is with the MP Company.
> Keep The Faith, Jim K9TF
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