Iridium IMF 1000- Poor signal strength
Summary:

This artical describes the problem when getting poor signal strengh using a Iridium IMF 1000
Article:

Symptoms Poor Signal Strength (less than “four bars”) Causes · Loose cable/antenna connections. Corrosion/water damage to cable/antenna connections. · Too much loss in antenna cable Troubleshooting and Resolution · Check integrity of cable/antenna connections · Check for obstructions between the Iridium antenna and the sky. · Maximum allowed cable loss is 3dB @ 1621MHz. Check cable type & length.