As Jim says, "For most cases...", But.
When I help provide communication for the Los Gatos Children's
Holliday Parade, it is not "most cases". When operating next to
the parade route, there is frequently a high school marching
band going full blast just 20 feet away. The problem isn't in
the RF link, which is 2M FM. It's in the AF link with QRM for
both transmit and receive. The David Clark headset might be just
the right thing for this kind of environment.
When foot mobile along the parade route, I use Sennenheiser
noise canceling headphones plugged into a Yaesu MH-34 speaker
mike which seems to be "good enough". The CM-500 headset works
well for the net control station, which is a bit further away
from the parade route.
73 Bill AE6JV
On 6/11/17 at 1:44 PM, [email protected] (Jim Brown) wrote:
True "noise cancelling" mics sound awful. They work on the
principle of cancelling noise more than an inch or two from the
mouth. SUPER noisy places like aircraft are the ONLY place to
use them.
Most hams who have too much background noise either don't work
the mic close enough (it should be an inch or two above and
alongside the mouth), or have processing and/or mic gain turned
up way too high.
---------------------------------------------------------------------------
Bill Frantz |"Web security is like medicine - trying to
do good for
408-356-8506 |an evolved body of kludges" - Mark Miller
www.pwpconsult.com |
______________________________________________________________
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:[email protected]
This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to [email protected]
