we use + 15 dBmV + test point insertion loss. If equipped with 30 dB test point, use a 20 multitap at the output of each amp, as 30 db test point are high impedance and will give you wrong reading. Do not forget to had +20 dB if you decide to use multitap-20.
Joe 50
This is CABL.com posting #215154. Tiny Link: cabl.co/m38o