AT Abreviations

[FIREWHATFIRE]

What are all of the common(less common) AT abbreviations used here on the site and on the trail. I see and hear lots of different ones I am not familiar with and figure lots of others are not as well.

[GoldenBear]

https://www.whiteblaze.net/forum/content.php/217-Trail-Slang-for-the-Appalachian-Trail

[illabelle]

HYOH - hike your own hike. Means don't let others dictate the "correct" way.
SOBO,NOBO,YOYO - southbound, northbound, both. Refers to direction of travel. A YOYO hike is when a person reaches the end, then turns around and walks back to the beginning.
LNT - leave no trace (https://lnt.org/). Set of principles to minimize a hiker's negative impact on the wilderness.
AT,PCT,CDT,CT,LT - specific trail names.

Lots of other stuff, some of it obscure without context, like JPD or AM. Jennifer Pharr Davis set a speed record on the AT. Aqua-Mira is a water treatment.

[MtDoraDave]

CCF is closed cell foam, the sleeping pad you roll or fold, kind of like a yoga mat.

[TwoSpirits]

ALDHA: Appalachian Long Distance Hiker's Association
AMC: Appalachian Mountain Club
BRP: Blue Ridge Parkway
HF: Harper's Ferry
MATC: Maine Appalachian Trail Club
MOC: Mohican Outdoor Center
NOC: Nantahala Outdoor Center
NPS: National Park Service
PATC: Potomac Appalachian Trail Club
USFS: U.S. Forest Service