JoeyC
Senior Member
I'm not seeing that in SoCal. And this is new.
aircraft monitoring
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trainman111
Member
What agencies (non-specific) do you hear in that range? According to another site, that whole range is assigned to the military but since I don't know if it's reliable or not, I decided to post the one created by the FCC instead.
"And this is new."
Whats new????
"And this is new."
Whats new????
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JoeyC
Senior Member
There are several military bases operating FM in that range in SoCal. I've heard no AM or aviation. I suspect this is a newly allocated band opening for aeronautical users as more military users transition to 400 or 380mHz trunked operations. The FCC PDF was dated 2006, the other references I've seen for allocations were from 2003 (ntia.doc.gov).
Without going looking up old logs I'd guess the milair activity here is about 70 - 30 in favor of VHF (137 - 144). Mostly F-16 CAPs on various, and Andrews CP on 141.55 off the top of my head. The majority of UHF activity is air refueling and transient FSS.
Maybe you have more Navy out there than USAF which seems to be more VHF here.
Maybe you have more Navy out there than USAF which seems to be more VHF here.
trainman111
Member
I've been monitoring Vermont ANG (when I lived in NY) and Virginia ANG traffic on the VHF channels for about 2 years now (I have only been listening to milair for two years). All of the comms. that I have heard have been AM. Most of the stuff I hear on VHF is Air National Guard.
Edit: Try this site for some socal Milcomm frequencies. I don't know how accurate they are seeing as I don't live out there. It looks like a majority of the freqs are UHF unlike here on the east coast where most of them are VHF.
http://bassbinboy.junglescene.com/socalmilcom/frequencies.htm
Edit: Try this site for some socal Milcomm frequencies. I don't know how accurate they are seeing as I don't live out there. It looks like a majority of the freqs are UHF unlike here on the east coast where most of them are VHF.
http://bassbinboy.junglescene.com/socalmilcom/frequencies.htm
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JoeyC
Senior Member
Well, CAP is not the military, its a civilian organization so no doubt you'd find them on VHF vs the UHF milAir freqs.
trainman111
Member
And Combat Air Patrol IS part of the military 
. VHF Mil-Air frequencies are used quite a bit in the US. Maybe in some places more than others...
. VHF Mil-Air frequencies are used quite a bit in the US. Maybe in some places more than others...
TinEar
Member
If you're going to monitor MilAir and want to get it all, you must have the 138-144 band (and a few that use 148-150.6) in AM mode along with the 225-400 mHz band also in AM. The primary users of the 138-144 band are all F-16 and A-10 fighter aircraft along with transport units that use it for Command Post and squadron freqs. For instance, Andrews CP is on 141.55, Langley CP 141.75, Venus Control 142.75 and on and on. Most Air Force/Air National Guard bases will have both a VHF and UHF Command Post freq. Additionally, F-15s have just gotten VHF radios and we expect to start hearing them in that band also. The 225-400 band is in use by all military aircraft, not just transports. Naval fighters such as the F-18 use it exclusively. Without the 138-144 AM band available, you will miss a LOT of traffic.
If you're new to this and would like to see how MilAir freqs are spread out across the band and how they're used, check the Sticky Thread for Milair II in the Maryland forum. We generally log what's heard daily. Within the first 50 messages on that thread, I listed all my MilAir freqs spread across several messages. That thread is here:
http://www.radioreference.com/forums/showthread.php?t=44841
Although those freqs won't necessarily apply to your particular area, they'll still give you a good idea of what type units use which freqs. Listening range is generally from 100 to over 200 miles depending on your radio and antenna setup. One of those messages also contains a list of airshow freqs which are used nationwide.
Alan
If you're new to this and would like to see how MilAir freqs are spread out across the band and how they're used, check the Sticky Thread for Milair II in the Maryland forum. We generally log what's heard daily. Within the first 50 messages on that thread, I listed all my MilAir freqs spread across several messages. That thread is here:
http://www.radioreference.com/forums/showthread.php?t=44841
Although those freqs won't necessarily apply to your particular area, they'll still give you a good idea of what type units use which freqs. Listening range is generally from 100 to over 200 miles depending on your radio and antenna setup. One of those messages also contains a list of airshow freqs which are used nationwide.
Alan
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