Something

 select  * from channel where channum = 1452; 
+--------+---------+--------+----------+----------+-------+------+----------+--------------+---------+-------------+----------+------------+--------+-------+----------+---------+---------------+---------------+---------+-----------+----------+-----------------+-----------------+---------------------+-------------------+------------+
| chanid | channum | freqid | sourceid | callsign | name  | icon | finetune | videofilters | xmltvid | recpriority | contrast | brightness | colour | hue   | tvformat | visible | outputfilters | useonairguide | mplexid | serviceid | tmoffset | atsc_major_chan | atsc_minor_chan | last_record         | default_authority | commmethod |
+--------+---------+--------+----------+----------+-------+------+----------+--------------+---------+-------------+----------+------------+--------+-------+----------+---------+---------------+---------------+---------+-----------+----------+-----------------+-----------------+---------------------+-------------------+------------+
|    546 | 1452    | NULL   |        1 | NHLH2    | NHLH2 | none |     NULL |              |         |           0 |    32768 |      32768 |  32768 | 32768 | Default  |       1 |               |             1 |     143 |      1452 |        0 |               0 |               0 | 2012-02-02 19:15:58 |                   |         -1 |
+--------+---------+--------+----------+----------+-------+------+----------+--------------+---------+-------------+----------+------------+--------+-------+----------+---------+---------------+---------------+---------+-----------+----------+-----------------+-----------------+---------------------+-------------------+------------+