Icom Decoding

Floridasand

Member
Icom

Icom 7300 Cw Decoding

Joined
Dec 19, 2007
Messages
27
Location
Diamond Bar, CA

Always check the most recent Amazon price- is a demo of how I operate the Icom IC 7300 in decoding RTTY signals. #hamradio #SWL #. Icom confirms that the HM-118T will work with a suitable wired adapter. In the Icom reference manual, it looks like you have to build/decode a 'packet structure'. Packets begin with a FE FE sequence (preamble code) and terminate with a FD (end of message code).

Icom Serial Number Decoding

Hi Everyone,
I did not see anything posted for my questions. I have a ICOM IC-R8600 receiver. I love this receiver however I have a problem that I need to figure out. I can see the waveform for a particular Phase 1 unencrypted signal with a good strong signal strength, but it will not decode or allow me to listen to the frequency. I also have the ICOM IC-R30 receiver and it decodes the NAC and channel information 100 percent of the time. I can listen to all unencrypted transmissions. Are there any special settings that I need to use to hear and decode the phase 1 signals??? The waveform shows it great. Signal strength is from -76 to -84 Dbm. I have switched antennas and tested both receivers with the different antennas. I am receiving in the 771 MHz band. I can post a Youtube video that shows exactly what is happening. I have the current firmware and like I said the R30 never missed one transmission. Thanks for any help or information.
Floridasand

Icom 7300 Decoding Cw

Whether operating phone, CW, RTTY or PSK31/63, the IC-7851 has a convenient memory keyer to ease operations. Record your CQ, station information or other items in one of 8 keyer memories for the CW and digital modes; 4 memories for phone operation. For CW, the memory keyer has timesaving functions like auto repeat, contest serial number counter. On the other hand, if I configure WSJT-x to use PTT method CAT and Mode Data/Pkt, FT8 loose almost all signals. 90% of the FT8 signals disappear and only 10% or less can be decoded. In this case, when I change band from 10m, 20m, 40m,80m all them are set USB in the rig, but all bands are almost 'silent' on FT8.

Ior Decoder

In my recent CQ WWDX CW 2018 blog post I moaned about needing to do all station switching like BPFs, antennas, etc. manually when using the IC-7300. Driving home after the contest I made up my mind how to solve the “problem”, i.e. getting all automated when using the Icom, too, as we have been doing with our Elecraft and Kenwood radios for years. First I thought about developing my own Icom Ci-V band decoder but taking all the efforts and especially time needed into account as well as cost (it is a costly thing if you want to have it nice!) I skipped the idea. Instead I ordered the Band decoder Mk2 by remoteqth.com. It’s a universal design based on an Arduino and comes as a kit complete with an SMT pre-soldered PCB, a few through-hole parts, I2C display as well as a professionally looking enclosure. It can be configured for various data sources, be it Icom’s Ci-V, Icom band voltage, Yaesu/Elecraft BCD, Kenwood CAT, a.s.o. If used with the Ci-V or CAT interface it detects the frequency down to a kilohertz which can be useful if you want to switch different things within a band, i.e. different dipoles or groundplanes for 80 m CW vs. 80 m SSB. It has an output driver for 8 direct outputs which can be configured as open collector or open emitter circuits. It also offers permanent BCD encoded outputs which is what I needed for our station integration. You can even edit the Arduino Sketch to display antennas names or the like. Quite a clever design! Building it up did not take more than an hour and the online quick start guide was easy to follow. All in all a very enjoyable project delivering to the point and reasonably priced, too – highly recommended! Here are a few impressions of the build process …