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Questions tagged [icom]

An International manufacturer of radio equipment, Based in Japan. Their products include equipment for radio amateurs, pilots, maritime applications, land mobile professional applications and scanning enthusiasts.

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Getting reception on an old short wave ICOM IC-M710 radio in the Pacific

I am currently crossing the Pacific (about 1000 nautical miles NE of the Marquesas) on a sailboat equipped with a short wave radio and I am trying to make it work. The equipment is an ICOM IC-M710 ...
calandoa's user avatar
  • 103
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0 answers
53 views

ICOM R8500-Transfer data and audio through e-line services

I have tree icom R8500 radio receivers and i want to upgrade my services from serial to Ethernet. Although i have successfully managed to transfer data from the receivers to my pc (which happens to be ...
0 votes
2 answers
152 views

Using Aviation VHF radio on different frequencies

I have an old Icom A-5 aviation handheld with a frequency range of 118.000-136.975 MHz on top of WX, AM, and FM receive functions. Is there any way with little modification, or a simple static build ...
ChamomilePurple's user avatar
1 vote
2 answers
57 views

What are the considerations re installing an ID-4100 in a DIN slot in the dash?

I'm looking into installing my ID-4100a into the radio slot in my car. The radio and cassette player (lol yes really) are non-functional so I actually have 2 slots to play with. I haven't come across ...
webmarc's user avatar
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1 vote
0 answers
89 views

Why does Ham Radio Deluxe stops working when I change the AGC setting on my Icom IC-705 radio?

When I start rig control on Ham Radio Deluxe it works as long as AGC in my Icom IC-705 is in medium and I don't change it. If it's in slow it manages to read the frequency, but then it gets stuck. If ...
Pablo Fernandez's user avatar
0 votes
1 answer
422 views

Icom 705 to APRS.fi iPhone App

I would like to use the Software Modem included in the APRS.fi iPhone app, together with my IC-705. Simply tuning to 144.800 (here in Europe), putting the AF on speaker and letting the iPhone app ...
Thomas Wana's user avatar
2 votes
0 answers
492 views

wsjt-x problems with windows 11 Icom 7300 USB sound hangs

Description of problem: WSJT and JTDX both stop receiving sound after about 2-3 hours when running on Win 11 with ICom 7300. This did not happen with my Raspberry Pi running the same rig. The ...
Peter Burke's user avatar
1 vote
1 answer
66 views

I have suddenly lost the ability to transmit CW on M IC-7200 xnxceiver. I am able to receive sigs but keyer does not work.makes dits but no dahs

My trusty IC-7200 has worked flawlessly for over 15 years but now I can't transit CW which is the only mode I work. I think something in the set for paddle connection is wrong. The directions in my ...
Jack Wooldridge's user avatar
2 votes
0 answers
441 views

What could cause an Icom IC-756 Pro II to suddenly stop transmitting?

My HF radio (Icom IC-756 Pro II) suddenly won't receive or transmit. I recorded the sound it makes when receiving and uploaded it to https://w7bkg.org/wiki/File:Radio_Issue.wav . It sounds the same on ...
kj7rrv's user avatar
  • 179
1 vote
1 answer
284 views

Icom RS-MS3W setup

I am trying to use terminal mode for the first time on my Icom ID-52A. I am already registered on DStar (through the UTRUST/national site, not a specific repeater). I am trying to understand what ...
TSG's user avatar
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3 votes
1 answer
165 views

Linking DStar repeaters using Icom syntax

I would like to monitor a remote repeater (VE2RM) through my local repeater (VE3TTT). I am trying to figure out how to link them - specifically using the Icom ID-52A commands/syntax. I found some ...
TSG's user avatar
  • 259
4 votes
1 answer
547 views

How do I set the spectrum scope gain on the Icom IC-7300?

I have an IC-7300. When observing weak signals, the spectrum scope has signal peaks that are way too small. Just now I was listening to a clearly audible CW signal that was easily heard but hardly ...
Xunie's user avatar
  • 214
3 votes
2 answers
424 views

Is an Icom radio’s model ID info available via a CI-V command?

I have built a prototype device using an Arduino Nano Every which communicates (using CI-V commands) with Icom radios, to augment control of them. Currently I use the default addresses of the “target ...
anoracknophobia's user avatar
3 votes
1 answer
1k views

Why is IC-7300 transmitting at zero power in "Rig" split mode with WSJT-X and FT8?

I am successfully running FT8 with WSJT-X on Windows 10 with my IC-7300. I am using IC-7300 as the rig. On reading the official WSJT-X User Guide (and various ...
QuantumMechanic's user avatar
1 vote
3 answers
351 views

Ignition Static on 2m mobile but not 70cm

I have an ICOM 2730a 2m/440 mobile rig in a 2015 Ram 1500. Tx and Rx with truck not running is excellent. With engine running I hear static popping, but only on 2 meters. If I Tx I can hear the ...
PappyD's user avatar
  • 11
1 vote
1 answer
210 views

How to check second-hand ICOM IC-718?

I’m buying a used IC-718 from a local ham. I can verify its function before I decide to buy. I’ve read the manual and know the functions and capabilities. What should I check / look for, apart from ...
Alexander's user avatar
  • 321
1 vote
2 answers
542 views

How do I send a raw CI-V command via rigctl?

With my ICom 9700 the CI-V reference manual says that I should be able to send the command 0x07, subcommand 0xD0, to select the Main band, and 0xD1 to select the Sub band. subcommend 0xB0 to exchange ...
Thomas's user avatar
  • 744
2 votes
0 answers
164 views

Diagnosing IC-7100 Drive Amp Bias | PA Won't TX

A faulty in vehicle DCDC charger has fed 16V or so into my brand new IC7100, killing the main board and preventing it from transmitting. I've replaced the mainboard with a brand new one however I'm ...
Alex Turner's user avatar
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0 answers
171 views

I'm trying to configure HRD for IC7300 but cannot connect / detect frequency

Got the firmware updated. Got the Driver updated. Got the software updated. Went through instructions several times.
NonYaBidnezz's user avatar
3 votes
1 answer
676 views

Troubleshoot ICOM IC-745 intermittently shows no power on transmit

I have an old IC-745 I bought used last year. Recently it seems to be malfunctioning intermittently. It is receiving well on all bands as far as I can tell. Sometimes when transmitting, there is no RF ...
elplatt's user avatar
  • 160
6 votes
1 answer
1k views

What is a 'Call' Channel?

While programming my Icom radio it has MR (memory)channels, VFO (Variable Freq) channels and Call Channels. What are call channels as comparred to memory or vfo channels? What is their use?
Steve Miller's user avatar
6 votes
2 answers
1k views

Can an oscilloscope be used as an RF voltmeter?

I just recently acquired a slightly functional Icom IC-735 HF radio, and am trying to resurrect it. The service manual outlines procedures that specify the use of an RF Voltmeter, which I do not own. ...
user avatar
14 votes
1 answer
3k views

Why does the audio on my FM transceiver cut out every 5.5 seconds?

Specifically, my Icom ID-4100a. What's interesting, is that this happens in MR and VFO modes... but NOT when using the built-in WX stations. For example listening to WX-01 (162.550 MHz), no problem. ...
webmarc's user avatar
  • 4,234
1 vote
4 answers
2k views

Can I splice a random wire antenna?

I have an Icom AH-4 with a random wire antenna. I have a fence around my property that is 60 feet long by 70 feet wide. The outdoor tuner is placed at the begining of the 60 foot section which leads ...
Zach's user avatar
  • 165
3 votes
1 answer
133 views

Is it possible to receive weather satellites with a ham radio rig? (Icom 910)

I would be interested in receiving weather satellites (NOAA and Meteor) with my Icom 910. It has very good filters and could be a better solution than a simple SDR. However, its manual specifies that ...
user3141592's user avatar
1 vote
1 answer
303 views

FLDigi Crashes When Trying to Load RigCAT Description File

I am trying to setup FLDigi with my ICOM-7300 via the USB connection so I can start using digital modes. Everytime I try to follow the instructions here, it doesn't work. Specifically, everytime I try ...
SandPiper's user avatar
  • 777
2 votes
1 answer
2k views

How do I link a repeater on one of the DCS reflectors using IC-9700?

I've been reading about the D-STAR, and I've heard that there are these things called D-STAR reflectors, and that a repeater can be linked to a reflector. On my Icom IC-9700, when I press and hold ...
AndrejaKo's user avatar
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0 votes
0 answers
259 views

Troubleshooting ICOM PS15 Power Supply

I got a power-supply gifted by my friend. When I powered ON, the main (120V) FUSE blows up. I started by disconnecting the transformer from the control circuit and powered ON. This time the fuse is ...
Raajkumar's user avatar
  • 109
2 votes
1 answer
158 views

What did I just do to my rig? Audio went crazy and had to reboot

Video I was experimenting with different settings on my IC-7300 and trying out manually controlling the RF Gain with AGC off. Too much gain for a moment caused audio clipping followed by the audio ...
Paul's user avatar
  • 781
1 vote
1 answer
289 views

ICOM IC-910h How much bandwidth does it listen when receiving USB and FM?

CD-audio has a bandwidth of 22kHz. CW usually has a bandwidth between 3 to 5 kHz. But I am wondering what is the bandwidth my Icom IC-910H can listen to in both, the SSB and the FM mode? Also, what ...
Sacha Tholl's user avatar
1 vote
1 answer
411 views

Is it possible to transmit and receive FSK G3RUH using SSB transceiver operating on USB-D?

Can a generic SSB transceiver, together with an FSK modem, be used to receive FSK modulated digital signals? If so, what considerations should be taken? and what kind of issues (AGC? Compression? ...
Ibtissam Latachi's user avatar
2 votes
4 answers
5k views

Is the ground on the back of the Icom IC-7300 an electrical or RF ground?

On the back of the Icom IC-7300 there's a ground connector: The manual goes on to say this: Is this an electrical or RF ground?
Pablo Fernandez's user avatar
5 votes
1 answer
2k views

Why are the lower HF frequencies not working during winter day time?

Currently my location is Nepal. We use the ICOM f-7000 radios without the antenna tuner. We use the frequencies round about 5-9 MHz, for communication over distances between 150 and 400 km. During ...
Angry Hooman's user avatar
2 votes
1 answer
261 views

Using an OPC-478 programming cable for CI-V

I have an [clone of] an Icom OPC-478 programming cable for my IC-208H. I thought I read that I can use that same cable to do CI-V with my IC-706 if I can find an 1/8" mono (male) to 1/8" stereo (...
Duston's user avatar
  • 939
4 votes
1 answer
4k views

What kind of power plug does the ICOM IC-7300 need?

I am considering buying the IC-7300. What kind of connector will I need to connect it to an external power supply? Or, does it come with a connector that I can splice on to a power cable coming from ...
MarqTwine's user avatar
  • 191
4 votes
1 answer
4k views

Can the IC-7300 be connected straight to a computer and use WSJT-X for FT8?

Do I need a separate device to use digital modes with the IC-7300 or do I just need to connect the 7300 to my computer via USB in order to use WSJT-X for FT8? Thank you.
MarqTwine's user avatar
  • 191
1 vote
1 answer
136 views

Recording from ICOM R8500 to pc

Newbie ham radio guy here. I just got my hands on an Icom R8500, and I'd like to record some signals on my pc. What's the proper way to do this, to minimize the added noise? Should I just use a 3.5mm ...
Cobe's user avatar
  • 115
1 vote
2 answers
2k views

What do I need to plug a regular set of headphones to an Icom ID-51 PLUS2?

What do I need to plug a regular set of headphones to an Icom ID-51 PLUS2? Would the Icom OPC-2144: or the Icom OPC-2006LS: allow me to connect a regular set of headphones?
Pablo Fernandez's user avatar
0 votes
1 answer
348 views

Temporary Skip frequency on an Icom ID-51 PLUS2

On the scanning options for the Icom ID-51 PLUS2, there's one called Temporary Skip Timer that can be any of: 5 minutes 10 minutes 15 minutes The manual says: Temporary Skip Timer Selects ...
Pablo Fernandez's user avatar
1 vote
1 answer
138 views

Any ideas why my phone is not connecting to my Icom ID-51E PLUS2?

I have the cable connected from my phone, a Samsung Galaxy S6, to my brand new Icom ID-51E PLUS2 and when I run the app I get this error: I think I correctly set up my radio for this, as you can see ...
Pablo Fernandez's user avatar
1 vote
1 answer
5k views

What is the 1750Hz tone burst for?

The Icom IC-51E PLUS2 but not the American version will emit a 1750Hz tone burst when you push the PTT briefly and then hold it down. What is this for?
Pablo Fernandez's user avatar
1 vote
2 answers
1k views

Does the Kenwood TH-D74 support Access Point and Terminal mode for D-Star?

Does the Kenwood TH-D74 support Access Point and Terminal mode for D-Star like the Icom ID-51 PLUS2?
Pablo Fernandez's user avatar
0 votes
1 answer
940 views

GNU Radio BPSK reception from ICOM SSB audio

I have BPSK flowgraphs that work fine in simulation as well as between two USRP boards at 1200 bps and sample rate of 48000 baud. In the transmitter flowgraph, the transmitter reads HDLC bits from a ...
Moses Browne Mwakyanjala's user avatar
1 vote
1 answer
283 views

Purpose of "Low 1" and "Low 2" on Icom F50?

The display for the Icom F50 has a "LOW" indicator. The Instruction Manual says this is the "OUTPUT POWER INDICATOR [which] Appears when Low 2 or Low 1 is selected." There is no other explanation ...
user's user avatar
  • 113
0 votes
1 answer
747 views

Using the VHF port for 6m on an Icom IC-706mkIIg transceiver

My Icom IC-706mkIIg transceiver has two output ports: one for its VHF/UHF bands (i.e. 2m/70cm) one for the HF bands, and also 6m! I have a couple of broadband VHF/UHF antennas whose transmit specs ...
natevw - AF7TB's user avatar
4 votes
1 answer
481 views

ISS APRS Digipeater with Kam XL and ICOM IC-910H

I am trying to use the ISS APRS digipeater which transmits at 437.55MHz. Hardware setup consists of the following ICOM IC-910H. The transceiver has been connected to a Windows PC running a HAM ...
Moses Browne Mwakyanjala's user avatar
2 votes
2 answers
435 views

Using two antennas with IC751A — one for transmitting and another for reception

Is it safe to use one antenna for transmitting (main antenna PL connector) and another for reception connected to ANT IN connector at the backside panel?
OK1MKX's user avatar
  • 31
5 votes
1 answer
399 views

Receiving commercial / public-safety on a general-coverage HAM transceiver

I have an ICOM-7100 that I've installed in my mobile as my primary (nay, only) HAM transceiver; and I'm trying to avoid wasting a ton of space in my vehicle (not to mention money) for a proper scanner,...
ELLIOTTCABLE's user avatar
0 votes
1 answer
490 views

Issue with Icom R-71A

I have an old ICOM R-71a receiver that is giving me grief. The problem started off with audio and rf cutting out completely after being on for a few hours. The frequency display would work but nothing ...
Old_Fossil's user avatar
3 votes
2 answers
2k views

What's the difference between the normal and S-meter squelch in IC-2730?

I recently obtained an IC-2730E and can't figure out the difference between its squelch options. Unfortunately, the user manual isn't very helpful. The squelch option had 3 types: off, attenuation and ...
AndrejaKo's user avatar
  • 2,893