Table 4: Seyferts from Table 3 that have dual-frequency (18 cm and 6 cm) VLBI observations with matching beam sizes, from which the spectral index is derived. Asterisks denote objects with at least one component with a flat or inverted spectrum.

Source		 Flat/Inv. Comp. $\alpha^{18}_6$ Ref.

Mrk 231		 * N -0.86 Ulvestad et al. (1999a)
    C +0.88 Ulvestad et al. (1999a)
    S -1.54 Ulvestad et al. (1999a)
Mrk 348 *   +0.93 Barvainis & Lonsdale (1998)
Mrk 463E   L -1.06 Norris et al., unpublished
    R -0.62 Norris et al., unpublished
    1 -0.67 Norris et al., unpublished
    2 -0.77 Norris et al., unpublished
    3 -1.00 Norris et al., unpublished
Mrk 1210   NW -1.26 This paper
    SE -0.78 This paper
NGC 1068 * NE -1.5 Roy et al. (1998)
    C >2.2 Roy et al. (1998)
    S1 >0.6 Roy et al. (1998)
    S2 <-1.9 Roy et al. (1998)
NGC 2110 * C +0.12 This paper
NGC 2639 *   +1.78 Wilson et al. (1998)
NGC 3079 * E +0.77 Middelberg et al., in prep.
    A >+4.54 Middelberg et al., in prep.
    B >+4.36 Middelberg et al., in prep.
NGC 3147 *   +0.20 Ulvestad & Ho (2001b)
NGC 4151 * E -0.5 Ulvestad et al. (1998)
    D <-0.2 Ulvestad et al. (1998)
    F <-1.3 Ulvestad et al. (1998)
NGC 4203 *   +0.38 Ulvestad & Ho (2001b)
NGC 4579 *   +0.20 Ulvestad & Ho (2001b)
NGC 5506 * B0 +0.06 This paper
    B1 -0.73 This paper
    B2 -0.30 This paper
NGC 5793 * C1C -0.70 Hagiwara et al. (2000)
    C1NE -1.00 Hagiwara et al. (2000)
    C2C -0.46 Hagiwara et al. (2000)
    C2W -0.72 Hagiwara et al. (2000)
    C2E +0.13 Hagiwara et al. (2000)
NGC 7469 * 2 -0.34 Norris et al., unpublished
    3 +0.09 Norris et al., unpublished
    5 -0.12 Norris et al., unpublished
NGC 7674     -1.78 This paper


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