These are the standard settings for successfully configuring Airmail to connect to a P4-Dragon Pactor modem and Icom M803 HF/SSB Radio. (Note your COM port may be different depending on your hardware) airmail settings
You can order any size of clamp for the backstay antenna connection from e-Rigging.com https://www.e-rigging.com/half-inch-Stainless-Wire-Rope-Clip 316SS Marine Grade 3/32" to 3/4" sizes $2-40 per clamp Stainless Steel Wire Rope Clip - Type 316 cast ...
In communication with Icom, Sailmail, and Farallon Electronics, Sea-Tech Systems has updated the requirements for connecting a Pactor Modem to the new Icom M803 Marine HF/SSB Transceiver. The change affects cabling requirements, as well as menu ...