Example Apertif continuum image with comparison to NVSS and LoTSS. Upper left: Apertif continuum image, mosaicked as described in K22. Upper right: NVSS image of the same field (Condon et al. 1998). Lower left: LoTSS image of the same field (Shimwell et al. 2022), with the scaling set so that a point source with a spectral index of 0.7 has the same brightness as in the Apertif image. Lower right: spectral index image between the Apertif and LoTSS image.