Do you ever use standby on your transponder?

I don't. It stays on 24/7 (you know what I mean). 1200 unless given a
code. It effectively prevents "Maule, check your transponder" unless
using the wrong code.

I make no attempt to turn it off or go to standby while taxiing or
anything else. I've never been asked to go to standby or otherwise
questioned.

This has been discussed before but I'd suggest the everyone can do this
without causing a problem for anyone.

On Thu, 15 Sep 2005 17:15:14 GMT, Maule Driver
wrote in
::

I don't.

I was taught to switch from standby upon starting to roll down the
runway for departure. The reasoning that was cited had to do with
radar clutter on the airport surface.

ADS-B may change this practice, however.

Maule Driver wrote:

I don't. It stays on 24/7 (you know what I mean). 1200 unless given a
code. It effectively prevents "Maule, check your transponder" unless
using the wrong code.

I have the Garmin 330 with traffic uplink. I sometimes have to switch it
to STBY just after landing to prevent hearing several traffic alerts caused
by taxiing traffic.

Granted this transponder does have an automatic STBY/ON and visa-versa
switching ability, but upon landing it does not seem to switch quickly
enough to prevent the erroneous traffic alerts.

--
Peter
























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In article ,
Maule Driver wrote:

I don't. It stays on 24/7 (you know what I mean). 1200 unless given a
code. It effectively prevents "Maule, check your transponder" unless
using the wrong code.

I make no attempt to turn it off or go to standby while taxiing or
anything else. I've never been asked to go to standby or otherwise
questioned.

This has been discussed before but I'd suggest the everyone can do this
without causing a problem for anyone.


I set to "Standby" on the ground, to prevent reflections that could
damage the unit.

I also set "Standby" if I am a wingman in a formation (Only Lead
squawks).

I think that is a myth. I don't think the computer shows ATC your
signal if your altitude shows you at ground level.

Its useful when flying in a flight of two. ATC will ask you to turn it
to standby.

-Robert

Orval Fairbairn wrote:
[snip]
I set to "Standby" on the ground, to prevent reflections that could
damage the unit.

A perhaps ignorant question: What reflects that could damage the unit
and how could it damage the unit?

John
Solo Student

Larry Dighera wrote:
I was taught to switch from standby upon starting to roll down the
runway for departure. The reasoning that was cited had to do with
radar clutter on the airport surface.



Ditto.




--
Mortimer Schnerd, RN

VE

Maule,

On the ground and off the runway mine is on standby. BTW, our GTX330
now handles that automatically (mostly) in conjunction with groundspeed
from the GPS.

--
Thomas Borchert (EDDH)

Peter,

Granted this transponder does have an automatic STBY/ON and visa-versa
switching ability, but upon landing it does not seem to switch quickly
enough to prevent the erroneous traffic alerts.


You can adjust that. There is a timeout after which it will go to GND
mode after the speed falls below the threshold speed (30 knots is
default, I think). The default delay is 30 seconds, I think, giving you
time to taxi off the runway. But you can set that to zero. Google for
the 330 set-up manual if you don't have it.

--
Thomas Borchert (EDDH)