Comparing signal attenuation at 1420 MHz in short 30cm jumper coaxial cables RG174 vs RG316
For a 30 cm jumper at 1420 MHz (H I line), RG174 and RG316 are effectively neck-and-neck—both cost you ~⅓–½ dB pre-LNA. Quick comparison (30 cm @ ~1.5 GHz) That…