![]() Also, run the thing off dc if you can, the ac psu adds a bit of heat to the rig. Add an F元2A 500Hz cw filter and off you go. The performance on weak ssb sigs is impressive. The 70 comes with the legendary FL44A 455KHz IF 2.4KHz wide and FL80 2.3KHz wide 9MHz IF premium ssb xtal filter pairs and iirc the MuRata CFW455IT 455KHz am mode ceramic filter. The follow on rx pair, the weren't near the radio the previous versions are, and sales showed it. When they had been replaced with other rigs, the gov sold em by the pallet, complete with all sorts of options and some even retained their fed mods that were a per mission mod, such as wideband IF or crazy agc mod for digital mode reception, as well as other mods the fedz did to these things. ![]() The 71a were commonly paired with the 7000 for full spectrum coverage. ![]() ![]() They also sold to foreign govs, not long ago on epay there was a Chinese seller offering pallets of 71a that had been in Chinese sigint service and showed it. So Icom did and sold them by the pallet load to 3 letter USG agencies as well as US mil. The 70 was impressive enough that the nsa went to Icom and said if you built one of these with such and such features we will buy them by the pallet.
0 Comments
Leave a Reply. |