04/21/21 19:30:05 UTC
130.300 MHz
ALBEMARLE, NC
Ongoing encrypted signal, not P25.. Presumably from CN-235 96-6046 (ae0437) seen on adsbexchange currently orbiting Asheboro NC (KHBI) area at 16,000ft. 1515h 4/21/2021. -AJ
 
04/20/21 14:57:01 UTC
235.100 MHz
CLINTWOOD, VA
Mid air re-fueling training
 
04/20/21 01:27:39 UTC
240.350 MHz
CLINTWOOD, VA
Mid air re-fueling training Decee 11
 
04/17/21 18:10:17 UTC
69.450 MHz
GRAVEL SWITCH, KY
4 Helos A/A possible UH-60's came from south west and landed Lexington Very long conversation - Talked about Bluegrass Terrain and getting food at Lexington and flying low.
 
04/16/21 16:13:24 UTC
343.250 MHz
CLINTWOOD, VA
Mid air re-fueling training
 

04/13/21 23:15:06 UTC
130.300 MHz
Encrypted signal, identical in audible characteristics to tx's heard on 75.65FM during same timeframe. Not P25.. Presumably from AE66CD currently orbiting Stanly/Montgomery/Anson counties approx 1100-1300h, area on adsbexchange. 4/13/21 -AJ
 
04/13/21 19:11:36 UTC
341.675 MHz
KFBG SIMMONS AAF NOTAM: M0248/21 - AERODROME - FLIGHT STRIP 2 (PU895947) HHC, 2-82ND AHB WILL BE CONDUCTING A COMPANY FTX WITH 1 H60 AIRCRAFT AS PART OF THE OPERAION CONDUCTING PERSONNEL RECOVERY TRAINING. OPERATIONAL FREQUENCIES ARE 341.675 (UHF) , 141.050 (VHF) AND 69.875 (FM).. THE FLIGHT STRIP IS OPEN TO ALL OTHER ROTARY WING AIRCRAFT. 13 APR 15:13 2021 UNTIL 17 APR 02:00 2021. CREATED: 13 APR 15:14 2021 -AJ
 
04/13/21 19:10:59 UTC
141.050 MHz
KFBG SIMMONS AAF NOTAM: M0248/21 - AERODROME - FLIGHT STRIP 2 (PU895947) HHC, 2-82ND AHB WILL BE CONDUCTING A COMPANY FTX WITH 1 H60 AIRCRAFT AS PART OF THE OPERAION CONDUCTING PERSONNEL RECOVERY TRAINING. OPERATIONAL FREQUENCIES ARE 341.675 (UHF) , 141.050 (VHF) AND 69.875 (FM).. THE FLIGHT STRIP IS OPEN TO ALL OTHER ROTARY WING AIRCRAFT. 13 APR 15:13 2021 UNTIL 17 APR 02:00 2021. CREATED: 13 APR 15:14 2021 -AJ
 
04/13/21 19:09:51 UTC
69.875 MHz
KFBG SIMMONS AAF NOTAM: M0248/21 - AERODROME - FLIGHT STRIP 2 (PU895947) HHC, 2-82ND AHB WILL BE CONDUCTING A COMPANY FTX WITH 1 H60 AIRCRAFT AS PART OF THE OPERAION CONDUCTING PERSONNEL RECOVERY TRAINING. OPERATIONAL FREQUENCIES ARE 341.675 (UHF) , 141.050 (VHF) AND 69.875 (FM).. THE FLIGHT STRIP IS OPEN TO ALL OTHER ROTARY WING AIRCRAFT. 13 APR 15:13 2021 UNTIL 17 APR 02:00 2021. CREATED: 13 APR 15:14 2021 -AJ
 
04/08/21 15:29:57 UTC
130.300 MHz
FLIP33 to OMEGA DZ/CCT, doing night-time bundle drops at KVUJ. 2100h+ 04/07/2021. -AJ
 
04/08/21 15:28:28 UTC
130.300 MHz
FLIP33 doing night-time bundle drops at KVUJ. 2100h+ 04/07/2021. -
 
04/06/21 16:36:55 UTC
38.650 MHz
A2A, helos "...in the forest that I saw, they definately weren't regular campsites..." 1140h, 04/06/2021 -AJ
 


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Line of Sight Calculator with Map

This page will give you a plot of your Line-of-Sight distance to aircraft at various altitudes.

The inner most circle are aircraft up to 5,000'. Working out each circle represents aircraft at 10,000', 20,000', 30,000', and 40,000'.

Odds are you're not going to hear aircraft out to the edge of each circle, that would only happen in the "perfect" world. Factors that will reduce you're ability to hear to the edge of the "Line-of-Sight" circle are 1) Your antenna, 2) obstructions (tree, building, mountains...), 3) aircraft orientation (climbing / decending / banking all could block the transmitting antenna from your line of sight), 4) weather conditions between you and the aircraft (signals are attenuated by clouds or rain), 5) signal to noise ratio of your receiver / amps / antenna locaton.

While true line of sight distance will give you an idea of how far out you could receive aircraft, many other factors play into the fact of actually receiving aircraft that far out.


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