02/20/20 22:27:47 UTC
338.950 MHz
LITCHFIELD, IL
TACOMA Data Stream possibly from BOND18 (E6 Reg, 163920) about 20 miles to the southwest of me
 
02/19/20 01:06:03 UTC
327.600 MHz
LITCHFIELD, IL
Refuel Route AR-110 / EDDIE62 (KC-135 60-0367 Ohio ANG) Refueling **Unknown Callsign** (B-52 60-0028) and **Unknown Callsign** (B-52 61-0004) The two B-52 were talking together on 228.275
 
02/16/20 18:50:26 UTC
260.9 MHz
DAYTONA BEACH, FL
Possible Dark Star. Strong signal. Heard 2 ships rtb. No id. Related to trump at speedway?
 
02/14/20 17:41:01 UTC
349.400 MHz
LITCHFIELD, IL
Air Mobility Command Common (Scott Air Force Base) RIDER55 (C-17 07-7115) will be landing in 30 Minutes, has 542,000 lbs through cargo. Needs parking, no fuel (
 
02/13/20 16:28:04 UTC
287.450 MHz
ALBEMARLE, NC
TOD signal plus blips on some HAVEQUICK FMT freqs. 2/13/2020 ongoing since approx. 1100h. Same occured on 2/12/2020 starting approx.1000h. Decent rx from Stanly Co NC -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
 
02/03/20 19:08:31 UTC
259.850 MHz
"..sounds good. Just so you're tracking, debrief in about an hour..." late on 12/19/19 ok rx -AJ
 
02/03/20 19:06:51 UTC
292.225 MHz
"...think, uh, 144..." late on 12/19/19 ok rx -AJ
 
02/03/20 18:59:57 UTC
361.000 MHz
"...10 is turning westbound...flight level 2-0-0..." ok rx 01/16/2020 approx 1600h -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