Gnupg: display p and q lengths of DSA public keys?

[Pat Hall DDPMOSTL]

In attempting to determine whether a given GPG public key is still in the "acceptable" category of U.S. NIST SP 800-131A standards as of 2011, for DSA keys I need to be able to verify both the |p| and |q| lengths.

In particular, I need to verify that DSA keys have |p| >= 2048 bits AND have |q| >= 224 bits.

I can see numbers in the below examples of a DSA key of pkd:1:160 and pkey[1]: [160 bits] - these look like the |q| value (which is in the "Deprecated from 2011 through 2013, and Disallowed after 2013 range), but I'd like verification that.

I've tried
gpg2 --list-keys --with-key-data
which gives something like:
pub:-:1024:
pkd:0:1024:
pkd:1:160:
pkd:2:1024:
pkd:3:1021:
uid:-::::
sub:-:2048:
pkd:0:2048:
pkd:1:2:02:
pkd:2:2046:

And 
gpg --export-options export-minimal --export <keyid> | gpg --list-packets
Which gives something like
:public key packet:
        version 4, algo 17, created ..., expires 0
        pkey[0]: [1024 bits]
        pkey[1]: [160 bits]
        pkey[2]: [1024 bits]
        pkey[3]: [1022 bits]
        keyid: ...
:user ID packet: "..."
:signature packet: algo 17, keyid ...
        version 4, created ..., md5len 0, sigclass 0x10
        digest algo 2, begin of digest ...
        hashed subpkt 2 len 4 (sig created ...)
        hashed subpkt 11 len 6 (pref-sym-algos: ...)
        hashed subpkt 25 len 1 (primary user ID)
        hashed subpkt 27 len 4 (key flags: ...)
        subpkt 16 len 8 (issuer key ID ...)
        data: [160 bits]
        data: [160 bits]
:public sub key packet:
        version 4, algo 16, created ..., expires 0
        pkey[0]: [2048 bits]
        pkey[1]: [2 bits]
        pkey[2]: [2048 bits]
        keyid: ...
:signature packet: algo 17, keyid ...
        version 4, created ..., md5len 0, sigclass 0x18
        digest algo 2, begin of digest ...
        hashed subpkt 2 len 4 (sig created ...)
        hashed subpkt 27 len 4 (key flags: ...)
        subpkt 16 len 8 (issuer key ID ...)
        data: [159 bits]
        data: [160 bits]
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