Looks like I made it...thanks for the challenge!

B - bamafan323 - OU05E8

C - CCG99 - OU0726

D - debaere - OU04D2

F - FailedApparatus - OU071E

H - HB31 - OU0739

I - ithink314 - OU090F

J - JIJeffreys - OU00BA

K - KnowsOpie - OU0A55

M - Mrs. HB31 - OU073E

O - obxgeek - OU0376

P - PTMY - OU0B4D

Q - QueensGrantMusic - OU073F

R - rvstauff - OU0732

S - stargatekrewe - OU04DB

T - themulcher - OU0746

Y - yamiyugi00 - OU0734

Enjoying the new functionalities on OCNA to see if I qualify for any more of the OCNA challenge caches. Found a few that I qualify for but haven't logged yet, including this one. Here is my list of qualifiers.

01 Coffee Peddlers - Riverside https://www.opencaching.us/viewcache.php?cacheid=809
02 DudleyGrunt - National Capitals - Ottawa, ON, Canada https://www.opencaching.us/viewcache.php?cacheid=1627
03 Frank Broughton - Red Jacket Monument https://www.opencaching.us/viewcache.php?cacheid=1758
04 GOF - Project Nike https://www.opencaching.us/viewcache.php?cacheid=1114
05 iicydiamonds - Alberta's First Cache! https://www.opencaching.us/viewcache.php?cacheid=1856
06 Juicepig - Barrie City Hall Rink https://www.opencaching.us/viewcache.php?cacheid=636
07 lacwitt - Like an Eternal Flame https://www.opencaching.us/viewcache.php?cacheid=143
08 Mr.Yuck - Kenmore, N.Y. Little Free Library https://www.opencaching.us/viewcache.php?cacheid=1949
09 NativTxn - Seawall Cam https://www.opencaching.us/viewcache.php?cacheid=1417
10 obxgeek - Take me to the Beach! https://www.opencaching.us/viewcache.php?cacheid=886
11 R of JARS - Black Hawk https://www.opencaching.us/viewcache.php?cacheid=1946
12 Sabrefan7 - Harmonic Convergence https://www.opencaching.us/viewcache.php?cacheid=349
13 TnT - Daisy BB Gun Museum https://www.opencaching.us/viewcache.php?cacheid=438

I think I finally pulled this off.

bamafan323 http://coord.ch/OU05E8
DudleyGrunt http://coord.ch/OU0273
FailedApparatus http://coord.ch/OU0722
GoinPostnet http://coord.ch/OU08E0
HB31 http://coord.ch/OU0739
ithink314 http://coord.ch/OU05EC
JIJeffreys http://coord.ch/OU00BA
Laputischer http://coord.ch/OC107A
Mrs. HB31 http://coord.ch/OU072E
OCNAChallenges http://coord.ch/OU0889
QueensGrantMusic http://coord.ch/OU077B
stargatekrewe http://coord.ch/OU0558
TermiteHunter http://coord.ch/OU0478

Thanks OCNA Challenges!

10/13th the way there, maybe...

Hider names

bamafan323 http://coord.ch/OU05E8
DudleyGrunt http://coord.ch/OU0273
ithink314 http://coord.ch/OU05EC (a stretch)
JIJeffreys http://coord.ch/OU00BA
Laputischer http://coord.ch/OC107A (a stretch)
Mrs. HB31 http://coord.ch/OU072E
OCNAChallenges http://coord.ch/OU0889
QueensGrantMusic http://coord.ch/OU077B
stargatekrewe http://coord.ch/OU0558
TermiteHunter http://coord.ch/OU0478

Thanks! (almost)

Aother challenge cache that was a nice surprise.  Thanks

Pictures for this log entry:

owners

Here's my qualifiers:

B http://coord.ch/OU0562

C http://coord.ch/OU040D

D http://coord.ch/OU0148

E http://coord.ch/OU00F3

F http://coord.ch/OU056A

J http://coord.ch/OU0067

K http://coord.ch/OU0683

L http://coord.ch/OU01B7

M http://coord.ch/OU068D

N http://coord.ch/OU00EE

P http://coord.ch/OU036E

R http://coord.ch/OU0761

W http://coord.ch/OU063C

Thanks!

I'm a few (U, V, W, X and Z) shy of being able to log a full alphabet owner name challenge cache.  Including a screen capture from GSAK.

Thanks and Happy Trails!

I'm only 2 letters shy from being able to log a full 

Pictures for this log entry:

Cache Owners (A-M)

2nd challange checked and check got that plus a bonus letter.