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POTUS - Information

Information listed here will be in reference to The 44th President of the United States, Barack Obama's visits to his hometown of Chicago, IL and is courtesy of CARMAchicago IO group.

MUDDY-## F-16's

  • Working Chgo Center on 269.0750 and tried to enter the CAP on 353.5500, switched to the new 363.1250 frequency.

ARTCC

  • 363.1250 is being used for Chicago center contact, not hearing much on 353.550, they may have switched

Huntress currently on 260.9000, backup is 228.9000. Arrow flights in comms with Chicago Center on 317.400. Other frequencies being used at this time are 320.9500, 353.5500 and 256.8000. Snagged another F15 discrete, in use right now - 316.4500. Also had a brief open AM carrier this morning on 338.7500, but no traffic.

Assigned Boom freqs for Refueling:

  • 282.6500 Primary
  • 271.0000 Secondary

But they don't appear to be using them. All refueling taking place on 228.9000 for coordination and 260.9000 for refueling.

Copters are staged at 39th street, not 31st street. Landing area secured and fenced in. 166.70000 (P25) may be in use there on scene.

F15 pilots are trying to set up temporary staging in and out of St. Louis today to save fuel and commute times. They've been calling Flight Service Stations on 255.400 between here, Florida and D.C. to get their weather updates.

MUDDY 11 & 13 (TOL F-16's)

  • 228.9000 Huntress, MUDDY A/A, cleared off for ATIS & inflight, 01:32am.
  • 127.6250 Chi.C. 01:33am.
  • 143.8500 V01 Ops, we have Bravo (ATIS) plan to land on rnwy 7, 01:34am.
  • 127.6750 Cleve.C. 01:37am.
  • 134.3500 TOL app, 01:43am.

Vocabulary

  • WINDY CITY - The Chicago Combat Air Patrol
  • UNTOUCHABLES - The refuelling track, nearby but unknown
  • GUARD DOG CAP - Washington DC Combat Air Patrols
  • MARSA - Military Assumes Responsibility for Separation of Aircraft
  • AS FRAGGED - as scheduled
  • RTB - Return to Base
  • TRACK - Radar contacts
  • BULLSEYE - Reference point(s) of CAP orbit, bearings, distance, etc
  • NIGHTHAWKS - HMX-1 Presidential Helo Squadron, Including MARINE-1
  • ARROW-## - 58th Fighter Squadron, 33rd FW Eglin AFB F-15's
  • HUNTRESS - NORAD
  • LINK 16 - Secure Data Link system

Related Links

Frequencies: (Confirmed) (AM Mode)

  • 260.9000 UNTOUCHABLES/HUNTRESS Primary
  • 228.9000 UNTOUCHABLES/HUNTRESS Secondary
  • 353.5500 WINDY CITY Chgo Center Kankakee Primary
  • 256.8000 WINDY CITY Chgo Center Kankakee Secondary
  • 315.6000 WINDY CITY Chgo TRACON contact
  • 320.9500 ARROW discrete
  • 305.4500 ARROW discrete
  • 277.1750 HMX-1 CONTROL
  • 126.8000 Chgo Radar TFR advisory service
  • 127.9250 O'Hare Tower AF1 and Helo ops at field
  • 123.0250 Chgo Copter Route Advisory
  • 225.7500 Eglin AFB 58th FS Command Post

(FM Mode)

  • 362.2500 Airforce 1 Northstar FM/MPX downlink
  • 460.2500 CPD Citywide 6
  • 166.5125 USSS Sierra WHCA command post (mostly encrypted P25)
  • 164.8875 USSS Oscar Presidential Detail (mostly encrypted P25)
  • 165.8500 USSS P25

Other possible F-15 discretes:

  • 338.7500 369.1500 259.5500 316.4500 253.7000 326.4750 276.5500 257.3500

Other likely frequencies for HMX-1:

  • 361.6000 276.4000 273.9500 265.8000 142.7500 122.8500
  • 166.7000 (NFM P25 USSS November)

Other likely frequencies for USSS, NFM analog and P25:

  • 165.3750, 165.7875, 165.2125, 164.6500, 164.4000, 164.4625, 165.6250, 167.0375

It is suspected the F-15's may have a discrete air to air chat frequency assigned by pairs of aircraft. They have two UHF radios. One is normally tuned to WINDY CITY and the other to UNTOUCHABLES, so they have to leave one to chat on discrete. 305.4500 was used extensively last night. They sometimes chat about radar track (targets) but they are mostly exchanging their track data via Link 16.

HMX-1 is reportedly staged on Chicago Park District land north of 31st street beach, south of McCormick Place and east of Lake Shore Drive. UNTOUCHABLES is configured as a regular track with primary and secondary frequencies assigned - but they are using 228.9000 and 260.9000 for it so far.

Test counts from HMX-1 on 277.1750, but city monitors report hearing them on it quite a bit. .

Frequency Alpha Tag Description Mode
139.9400 Tactical / Air-to-Air AM
139.9500 A.I.C.C./G.C.I. RADAR OPS (with AWAC.S) AM
139.9500 Tactical / Air-to-Air AM
140.1250 Tactical / Air-to-Air AM
228.4500 Tactical / Air-to-Air AM
237.1500 A.I.C.C./G.C.I. RADAR OPS (with AWAC.S) AM
240.1500 Tactical / Air-to-Air AM
248.1500 Tactical / Air-to-Air AM
249.1500 Tactical / Air-to-Air AM
251.2500 A.I.C.C./G.C.I. RADAR OPS (with AWAC.S) AM
252.5250 Tactical / Air-to-Air AM
267.1000 A.I.C.C./G.C.I. RADAR OPS (with AWAC.S) AM
293.6000 A.I.C.C./G.C.I. RADAR OPS (with AWAC.S) AM
294.0000 Tactical / Air-to-Air AM
294.9000 A.I.C.C./G.C.I. RADAR OPS (with AWAC.S) AM
297.9000 PRI. A/G OPS AM
299.5000 Tactical / Air-to-Air AM
303.0000 Tactical / Air-to-Air AM
340.1500 Tactical / Air-to-Air AM
347.3000 Tactical / Air-to-Air AM
351.4000 A.I.C.C./G.C.I. RADAR OPS (with AWAC.S) AM
379.1000 A.I.C.C./G.C.I. RADAR OPS (with AWAC.S) AM

Shawnee National Forest

170.50000 	   	 	RM	173.8 PL	SNF BaldKnob	SNF Bald Knob 	FMN 	Federal 
170.50000 	   	 	RM	192.8 PL	SNF WillHill	SNF Williams Hill 	FMN 	Federal 
168.67500 	   	 	M	103.5 PL	SNF Simplex	Simplex 	FM 	Federal 
168.67500 	170.50000  	 	RM	103.5 PL	SNF BldKnob2	Bald Knob (173.8 in) [Ch 2] 	FM 	Federal 
168.67500 	170.50000  	 	RM	103.5 PL	SNF WlmsHil2	Williams Hill (192.8 in) [Ch 3] 	FM 	Federal 
168.67500 	170.50000  	 	RM	103.5 PL	SNF RoseBud	Rose Bud/Gum Ridge (186.2 in) [Ch 4] 	FM 	Federal 
168.67500 	170.50000  	 	RM	103.5 PL	SNF BeanRidg	Bean Ridge (110.9 in) [Ch 5] 	FM 	Federal 
168.67500 	168.17500  	 	RM	103.5 PL	SNF BldKnob3	Bald Knob Linked (173.8 in) [Ch 6] 	FM 	Federal 
168.67500 	168.17500  	 	RM	103.5 PL	SNF WlmsHil3	Williams Hill Linked (192.8 in) [Ch 7] 	FM 	Federal 
168.20000 	   	 	BM	CSQ	SNF Tac 2	Tactical 2 [Ch 8] 	FM 	Federal 
166.67500 	   	 	BM	CSQ	SNF Air Tac1	Air Tactical 1 [Ch 9] 	FM 	Federal 
169.15000 	   	 	BM	CSQ	SNF Air Tac2	Air Tactical 2 [Ch 10] 	FM 	Federal 
168.62500 	   	 	BM	CSQ	SNF AirGuard	Air Guard [Ch 11] 	FM 	Federal 
163.10000 	   	 	BM	114.8 PL	SNF Common1	Common Use 1 [Ch 12] 	FM 	Federal 
168.35000 	   	 	BM	127.3 PL	SNF Common2	Common Use 2 [Ch 13] 	FM 	Federal 
168.65000 	   	 	BM	CSQ	SNF Flight	Flight Following [Ch 14] 	FM 	Federal 
168.17500 	170.50000  	 	F	192.8 PL	SNF BldKnob1	Bald Knob To Williams Hill: Link (203.5 in) 	FM 	Federal 
168.17500 	170.50000  	 	F	173.8 PL	SNF WlmsHil1	Williams Hill To Bald Knob: Link (151.4 in) 	FM 	Federal

Argonne National Laboratory

  • 167.975 POCSAG-1 paging, Johnson Controls Metasys Alarm data
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