| KEY WORD | VALUE | 
| obs_code | v130a | 
| target_name | MKN501 | 
| target_ra | 16h53m52.2166862s | 
| target_dec | 39d45'36.608898" | 
| ref_coord_frame | J2000 | 
| frequency [GHz] | 5 | 
| pi_name | P. Edwards | 
| time_range [UT] | 0/05:00 to 0/18:00 | 
| correlator | Socorro | 
| integr_time [sec] | 1 | 
| number_ifs | 2 | 
| number_channels | 256 | 
| grt | EB SC HN NL FD LA PT KP OV BR MK RZ NZ TZ | 
| obs_date | 1998 04 07 | 
| cor_date | 1998 04 21 | 
| archive_status | *open* | 
| obs_category | GOT | 
| remark | - |