03/30/20 16:28:34 UTC
327.600 MHz
LITCHFIELD, IL
AR-110 Track Southern Missouri / Drew 11 KC-135 Reg 63-8027 flew up from Florida with SNTRY30 E3CF Reg 80-0139 / Refuel Trainng
 
03/27/20 14:02:11 UTC
339.7 MHz
DAYTONA BEACH, FL
Gator flgt with sealord, rtb
 
03/25/20 23:58:11 UTC
127.250 MHz
KANSAS CITY KS
Just saw one of the NEACP/NAOC aircraft inbound for landing at McConnell AFB near Wichita, callsign possibly SHADOW 55
 
03/25/20 18:47:01 UTC
42.725 MHz
BULLHEAD CITY, AZ
heard a few days ago / they spit into casinos to pickup supplies then left / laughlin accrosse the river from bullhead city az
 
03/25/20 18:16:57 UTC
383.550 MHz
MOLINE, IL
Orderwire data stream on 383.550 USB.
 

03/25/20 18:49:24 UTC
42.725 MHz
national guard?
 
03/13/20 17:50:19 UTC
68.675 MHz
2x AH64s doing low level attack mission ISO ground forces west and north of Shingletrap Mountain in the Uwharrie NF from approx 2115-2140 on 3/12/2020. Presume one was "ARMY COPTER 93261" as self-ID'ed to KVUJ @ 1928h as departing the area an hour prior, seen operating over Shingletrap 1845-1930h, and coming back in 60m -AJ
 
03/12/20 19:04:54 UTC
340.600 MHz
"...ski procedures now, acknowledge" 3/12/2020 1220h -AJ
 
02/07/20 15:29:52 UTC
257.650 MHz
GCA FINAL per KFBG (SIMMONS AAF/Ft. Bragg) NOTAM: M0063/20 - AERODROME THE FOLLOWING UHF FREQUENCIES ARE UNRELIABLE AND SHALL BE CONSIDERED UNUSABLE: BASE OPERATIONS - 245.5, GCA ARRIVAL - 284.675, GCA FINAL - 257.65, GROUND CLEARANCE DELIVERY - 229.4, TOWER - 240.625, METRO (WX) - 265.6. ALL VHF FREQUENCIES REMAIN IN SERVICE. 07 FEB 13:54 2020 UNTIL 14 FEB 22:00 2020. CREATED: 07 FEB 13:54 2020 -AJ
 
02/07/20 15:28:06 UTC
284.675 MHz
GCA FINAL per KFBG (SIMMONS AAF/Ft. Bragg) NOTAM: M0063/20 - AERODROME THE FOLLOWING UHF FREQUENCIES ARE UNRELIABLE AND SHALL BE CONSIDERED UNUSABLE: BASE OPERATIONS - 245.5, GCA ARRIVAL - 284.675, GCA FINAL - 257.65, GROUND CLEARANCE DELIVERY - 229.4, TOWER - 240.625, METRO (WX) - 265.6. ALL VHF FREQUENCIES REMAIN IN SERVICE. 07 FEB 13:54 2020 UNTIL 14 FEB 22:00 2020. CREATED: 07 FEB 13:54 2020 -AJ
 
02/04/20 15:51:18 UTC
226.300 MHz
pitbull python working the live fire range at ft drum
 
02/03/20 19:11:06 UTC
237.850 MHz
"...DOUBLESHOT, DOUBLESHOT, GOLIATH, radio check..." 1241h, 12/20/19 ok rx -AJ
 


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Microwave Frequency Letter Bands

Everytime I see a reference to the "C" band or "Ku" band I can never remember what frequency range these microwave letter bands are refering too.

As a result I've created this handy little cheat sheet, hopefully it will help you as well.

Standard Radar Frequency Letter-Band Nomenclature(IEEE Standard 521-2002)

Band Designator Frequency (GHz) Wavelength in Free Space (centimeters)
HF 0.003 to 0.030 10000 to 1000
VHF 0.030 to 0.300 1000 to 100
UHF 0.300 to 1 100 to 30.0
L band 1 to 2 30.0 to 15.0
S band 2 to 4 15 to 7.5
C band 4 to 8 7.5 to 3.8
X band 8 to 12 3.8 to 2.5
Ku band 12 to 18 2.5 to 1.7
K band 18 to 27 1.7 to 1.1
Ka band 27 to 40 1.1 to 0.75
V band 40 to 75 0.75 to 0.40
W band 75 to 110 0.40 to 0.27
mm 110 to 300 0.27 to 0.10