To: | Discussion of Ten-Tec Equipment <tentec@contesting.com> |
---|---|
Subject: | Re: [TenTec] 400 Hz CW |
From: | Ken Brown <ken.d.brown@verizon.net> |
Reply-to: | Discussion of Ten-Tec Equipment <tentec@contesting.com> |
Date: | Sat, 04 Mar 2006 10:29:17 -1000 |
List-post: | <mailto:tentec@contesting.com> |
> In general we do loose hearing in the upper end of the audio spectrum as we > age. Low frequency audio into the ear canal is a bit like VHF RF into a microwave waveguide. Energy transfer from outside to the ear drum is no doubt much more efficient at higher audio frequencies. _______________________________________________ TenTec mailing list TenTec@contesting.com http://lists.contesting.com/mailman/listinfo/tentec |
<Prev in Thread] | Current Thread | [Next in Thread> |
---|---|---|
|
Previous by Date: | Re: [TenTec] Orion 2.055 Observations, Ralph Young |
---|---|
Next by Date: | Re: [TenTec] 400 Hz CW (was: INRAD audio mod helps Omni 6 LowPitchCW!), Larry Menzel |
Previous by Thread: | Re: [TenTec] 400 Hz CW, Ronald Hands |
Next by Thread: | [TenTec] Need Orion II V 2.030, RM |
Indexes: | [Date] [Thread] [Top] [All Lists] |