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 31 
 on: January 21, 2015, 01:40:29 PM 
Started by masterkeymaster - Last post by JetScan1
Quote
A.K.A. that frequency you were likely monitoring (except perhaps in terminal airspace) anyway, right?

Yep standard to have 121.500 up on #2 radio (in cruise). Your plan works too, if you're familiar with the frequencies.

 32 
 on: January 21, 2015, 01:22:13 PM 
Started by masterkeymaster - Last post by swa4678
121.500
A.K.A. that frequency you were likely monitoring (except perhaps in terminal airspace) anyway, right? Smiley

Even if you weren't, there's a very good chance ATC is. From AIM ยง 6-3-1(h)(1):
Quote
121.5 MHz is guarded by direction finding stations and some military and civil aircraft. 243.0 MHz is guarded by military aircraft. Both 121.5 MHz and 243.0 MHz are guarded by military towers, most civil towers, FSSs, and radar facilities.

Personally, I'd probably just try another frequency from the same facility first. For example, if you're with approach, I'd look for another frequency even if it's for a neighboring chunk of airspace. Chances are the person I reach is sitting pretty close to the person I couldn't reach. If it's for tower, then I'd try a different tower frequency (North vs. South, Helicopter, etc.) or even a ground frequency.

 33 
 on: January 21, 2015, 01:16:34 PM 
Started by HelixSpiral - Last post by dave
Thanks for the report...this will hopefully be resolved by tomorrow.

 34 
 on: January 21, 2015, 01:04:11 PM 
Started by Reever - Last post by JetScan1
Hi Reever,

Quote
118.02500   ZLA53  Sector 53 Hi

This Sector 53, directly overhead Bullhead City and extending from FL240 to FL330, usually seems to be combined into Sector 35 on 128.075. When the sectors are combined the controller might (?) still be broadcasting on 118.025 but if you are not hearing any aircraft you will probably find them on 128.075.

Sector 36, 127.350, from FL340 and above, sits overtop Sector 53 and Sector 35. I suspect that when traffic is light or on the overnight shift they combine all 3 together ? Traffic inbound to LAX routing via Peach Springs (PGS) and the RIIVR arrival should switch over from 127.350 to ZLA 133.550 directly overhead Bullhead City.

I'm curious if you can hear the controllers on any of those frequencies dave posted ?    

 35 
 on: January 21, 2015, 01:01:05 PM 
Started by mk223 - Last post by swa4678
it sounded like somebody else was speaking as the same time as Redwood 56's readback (the background hum sounds like somebody is blocked).
I, too, think there is a good possibility that there was a blocked transmission here.

Listen to the ground controller's transmission; it's extremely clear, suggesting no feedback/gain issues with the antenna/scanner setup itself. Then you hear the readback, and you've got that hum/buzz that sounds like two different carrier waves overlapping. But listen at the end (just after the pilot says "goodnight"); you first hear the buzz go away 0.4 seconds before what sounds like another (blocked) transmission ending.

 36 
 on: January 21, 2015, 11:58:15 AM 
Started by Reever - Last post by Reever
Thank you very much.  I'll give them a listen.

 37 
 on: January 21, 2015, 11:04:17 AM 
Started by TangoWhiskey - Last post by J-LucB
It was also my question.   grin

Good answer Dave.

 38 
 on: January 21, 2015, 05:17:35 AM 
Started by masterkeymaster - Last post by J-LucB
Yes ! And I think that FlightRadar of PlaneFinder are more "interresting" that some conversations with the pilots.

 39 
 on: January 21, 2015, 04:55:57 AM 
Started by masterkeymaster - Last post by dave
is there some type of action to be taken if there was a terrorist attack(s) in progress, and if need be turned off making it more difficult for a terrorist to follow through with their actions?

I can turn off any feed I need to if the circumstances warrant it.  But I do get a sense that your understanding of terrorism is a bit flimsy.

 40 
 on: January 21, 2015, 12:41:30 AM 
Started by mk223 - Last post by davisdog
unlikely..but it sounded like somebody else was speaking as the same time as Redwood 56's readback (the background hum sounds like somebody is blocked).  Hopefully that wasn't CA responding also (although ATC was clearly saying Redwood 56)

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