Advice on setup & MHAFB Freqs

Contrailing

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Feb 16, 2024
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5
Location
Boise, Idaho
Hey all. New to the forums but I've been scanning for about a year. I've got a BC125AT and mostly scan the UHF Airband and listen to Mountain Home AFB airspace. I live about 50 miles from the base but can hear a good amount of things happening when the jets are up in the air. I'm looking at upgrading to a BCT15X as its right in my budget area and putting up an antenna on my house to try and boost signals and such. I wanted to ask if this would be a worthy upgrade and also if anyone had any aircraft or range freqs they'd be willing to share. Thanks
 

devicelab

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Jul 18, 2016
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Nowhere in WA
Get this Diamond discone antenna up on a mast on the roof. Use 10ft of EMT conduit from Lowes or HD. It's like $15 for a 1" OD. Use quality coax (LMR400) or RG8 to the scanner.

For monitoring UHF military there's no benefit to upgrading to the BCT15X. There might a slight improvement of signals but the antenna would be a huge upgrade and would be a better investment.

Save up for a Uniden SDS100 or SDS200 so you can monitor the MHAFB trunk system.
 

MountainMoose

All Things radio
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Apr 23, 2014
Messages
151
Location
Ada County, Idaho
Get this Diamond discone antenna up on a mast on the roof. Use 10ft of EMT conduit from Lowes or HD. It's like $15 for a 1" OD. Use quality coax (LMR400) or RG8 to the scanner.

For monitoring UHF military there's no benefit to upgrading to the BCT15X. There might a slight improvement of signals but the antenna would be a huge upgrade and would be a better investment.

Save up for a Uniden SDS100 or SDS200 so you can monitor the MHAFB trunk system.
Or you can save some money if you are on a budget and check out the Tram 1410 discone. or the 1411.
 

aprswatcher

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Lewistown, Montana
Guessing you might already have this for MHAFB:
Scroll down to the "Communications" section for frequencies.
Also Idaho is located under numerous Air Refueling (AR) routes:
Add these frequencies to your scanner and listen for other frequencies given out by the aircraft.
These are all UHF and AM mode.
AR-4A 344.7
AR-4B 235.1
AR-10 278.75
AR-307A,B,C 264.9
AR-452 361.7 **
AR-610A&B 295.4
AR-611A&B 255.75 **
AR-648A&B 238.9
** = Mountain Home is the Scheduling Unit, so these may be used primarily by MH.
Add these frequencies as backups:
238.9
256.65
292.6
320.9
384.6
Let us know what you here and report any new frequencies!
Also I have had very good luck with DPD antennas, currently using the "Air Omni UHF/VHF Base antenna".
73, Rex
 

Contrailing

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Location
Boise, Idaho
Had to wait a bit to order the antenna and for it to show up, but managed to listen to a good amount of air traffic this past week as there was a large force exercise going on. Glad to report that the antenna works amazingly and I can hear probably 5x as much as before. Managed to find a few freqs:

Cowboy Control 236.05
Saylor Creek 262.75
“Sagebrush” 251.2
Unknown, but used by the 428FS: 266.35
Discrete: 229.1

Also, the freq for AR-307 worked at one point, I believe it was a C17 taking gas from a KC-135.
 

Contrailing

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Location
Boise, Idaho
I've done this and I end up hearing the controller that broadcasts on the UHF anyways, so I usually just lock it out.
 
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