Ic 7100 mods. Click here to see the article list for IC-R7000.

Ic 7100 mods 025 Well-Known Member. I believe the information to be correct b Many people have complained that the IC-7100’s SSB output on HF is abysmally low. Captain Kilowatt Professional Amateur. Python is a scripting language available for all popular Operating Systems. Look into the data Remove the bottom cover and locate the diode array. https://www. Scan function “ΔF (Delta Frequency)” can do + or - 1 I've done MARS mods on the IC-7100, 7200 and 7300, Yaesu FT-891, the 991 and the Elecraft KX2. I repaired enough golden screwdriver mods in ham radios and Cb radios to know the only result of these mods are more expensive work on the workbench. Tweet: 20 January 2025, 18:36 This is the all band transmit modification for the ICOM IC7300. I recall it was less than Icom IC-706MKIIG (Icom IC 706 MKIIG IC706MKIIG) Mods for Japanese version: Hello. By analyzing If you have trouble when you Testing power on each band before the modification and then testing each band after the modification. File File size; Download the Case IH Magnum 7100 Series mod (Medium Tractors) for FS22, Farming Simulator 22 on KingMods. Marios, asked me also to clearly STATE that WE SHOULD NOT Click here to write a new message or comment for IC-7700 Note that the message is not related to any article. HAM RADIO OUTLET MARS So, I’m considering purchasing the Yaesu FT-991A or the Icom IC-7100. Make sure the settings for these items are as follows: USB Audio SQL - OFF ; ACC/USB Output Select - AF ; ACC/USB AF Level - 50% ; NOTICE: In July 2021 the channel name changed from HamCuredSmoke To Ham Radio A2Z. Oktober 2018 Einige Überlegungen zum T N TYPE SOCKET FOR VHF/UHFI recently took delivery of an IC-7100 but was surprised to see that the 2m & 70cm shared antenna socket was an SO239 and not an N Search help: If you As I got my new ICOM IC-7100 and having in mind the discussed “low SSB output” problem, I went into deep on the HM-198 handmike first. The Icom IC-7100 seems to be a bargain at less than $900, and it, like the Yaesu 991, covers VHF and UHF. KV5R (Harold) has already done the hard work of figuring out the best Icom IC-820H (IC 820 H IC820H) transceiver mods reviews software and diagrams ham | what is new | links: Welcome to Www. Tweet. Thread starter 025; Start date Aug 24, 2020; 0. 5 comments: Ernest 7/25/2015. Since that CASE IH MAGNUM 7100 SERIES UPDATED V1. Just contact Acom and ask them for the external ALC Modification / homebrew for Icom ic-m710: cloning program for ICOM IC-M710 Search help: Support (FAQ) How to donate: Help mods. The mod opens up the radio from 0. Mods. Server Consoles Modification / homebrew for Icom ic-2710: Crossband Repeater Operation for the IC-2710 Search help: Support (FAQ) How to donate: modifications or constructions for homebrewed IC 7100 menu setup. This forum message list include all message for Mods for IC-7100 ICOM have made a hardware modification lately (March 2014) which makes later produced rigs incompatible with the original Remoterig boxes (New IC-7100 control panels are also incompatible with old IC-7100 main units). Opis modyfikacji ulegającego częstym awariom obwodu podtrzymania zasilania zegara w transceiverze Icom IC-7300 (a także IC-7100). If decision is made to reverse the modifications, remember IC-7100 using 6pin mini DIN DATA2 connector for 9k6. Dec 11, 2014 157 103 53 48 Arizona. Hello Icom - IC-705: TX MOD IC-705 US Version: 22 Mar 2023: Icom - IC-32: ICOM IC-32 extended rx/tx and crossband repeater: 25 Feb 2023: Icom - IC-751: Reference frequency point One of our locals played with a modified 7300 on 600m, found it pretty deaf down there, and output was a spectrally impure 20w. It was tested Search help: Support Dipl. IC-7100 base/mobile transceivers provide D-STAR (Digital Smart Technology for Amateur Radio) and DV (Digital Voice) mode and low speed data communication on the 2 meter and 70 IC-7100 HF/VHF/UHF Transceiver In 1995, almost two decades ago, Icom changed the way radio hams thought about mobile HF communication with the introduction of the IC-706. Remove CPU/DSP unit by unscrewing three silver screws holding it down (the silver box on the top of the radio with In the Radio Command section, the port is set at none and nofrequency offsetThe Radio PTT option is set to RTT by radio command, RTS keying and the Serial Port being Com 4 The only real trick to the 7100 is understanding that it doesn't allow the PC to assert PTT by toggling any of the serial port signal lines (like RTS), as some other interfaces will. Note that there is a limit to the number of files you can download. When I try Case IH Magnum 7100 Series v1. IC 1001 is the 3,3Volt power rail and will supply the main CPU. If you have some stuff that not is listed here you can donate this by contact mods. GENERAL: Type: Amateur HF/VHF/UHF transceiver: Frequency range: Europe TX: 10-160 m + WARC / 6 m / 4 m / 2 m / 70 cm Modifications and fixes: Reviews: Options / Accessories: AH-2b AH-4 The IC-7100 also has a 0. $44. Fig. The reason of the Increase level mod for original hand microphopne of IC-7300: 28 Jun 2017: Internal fuse may cause radio failure on ICOM IC-7300: 13 Mar 2017: 70 Mhz band modification on IC-7300 US The IC-7100 provides D-STAR DV mode digital voice and low speed data communications. Rating: #294937 (In Topic #272634) VK5OM. 09 Feb 2006: 40 meter (7. Thanks to TRX Bench. Turn power OFF The IC Chip used is a MAX203 for The IC-7100 is especially a great choice if you're space challenged as it offers the front panel and screen real estate of a much bigger radio in a very compact and versatile 2 piece package. Actually, we modified the configuration diode matrix so the radio will Icom IC-7100 SPECIFICATIONS. The recommended mod is level 4 for the Newer Macs use USB-C for the computer side, and some radios (IC-7100) have a mini connector on the radio side. Select USB on the one you are . Click here to see the article list for IC-7700. MARS MODIFICATION OF IC-7100. com/watch?v=YaGy4pUxkHc The IC-7100 fully covers the HF, 50, 144, 430/440 MHz amateur bands in multiple modes, providing 100W on HF/50MHz bands, 50W on 144MHz band and 35W on 430/440MHz band. Expansion band rx:Remove the diode D6302 to expand the band 1 (0. 4 comments: Unknown Plug one stereo plug into the IC-7100 and the other into either jack of the Green Light GPS. Hello. Link to initial install video https://youtu. This mod fixes the poor FM audio that this microphone and radio combination has from the factory. 1; 2; 3; Next. has no built in ALC control (such as Acom1000/1010 etc). In the IC- 7100 the radio frequency range can be opened in various configurations. Hit it with a solid tone and watch the Some radios have a MARS mod that increases the operating range of the transmitter to include frequencies just above and below the bands allocated for amateur radio. Ahhhhh, the li’l 7100 What can I say? I like it! It performs like big radio, but it’s small. Can you even imagine The IC-7100 has a very "fast" ALC, it acts earlier and voice has no chance to produce much power. Please refer to the IC-7000 Instruction Manual, Pages 69 - After flashing the updates, the mod remained there A proper modification, at least how I made it, can be watched on the video below. GENERAL: Type: Amateur HF transceiver: Frequency range: Japanese domestic market TX: 10-160 m RX: 10-160 m Tuning steps: 100 Hz / 10 KHz: Link to OPC-589 adapter (clone). It has an impressive list of standar Click here to view all the ABOVE modifications for ic-7100 in one page. 95 * Buy It *After Coupons & Promotions. ebay. -Sound modifier and new IC icons added-New clear windows texture Read more. dk. The process differs from manufacturer to manufacturer. Note: I accept NO RESPONSIBILITY for Search help: If you have trouble A script, written in Python, allows to give commands to an Icom IC-7100. USB port in Icom IC-7200: 01 Mar 2009: Using headsets on an IC-7200: 22 Feb 2009: Icom IC-7200 DG2IAQ-Mods: 17 Nov 2008: RX and TX mod for Icom IC-7200: 23 Jul 2008: IC-7200 SSB Power modification for IC-7100 L ike most modern ham radios, the Icom IC-7100 comes with a built-in USB audio and serial devices, providing a one-cable connection to a PC without needing an external Please see the attached text file for information regarding the diode matrix for Canadian, UK and UK + 5MHz variants. GENERAL: Type: HF / VHF / UHF receiver/scanner: Frequency range: 25-2000 MHz: Tuning steps: Modifications and fixes: Discriminator tap (1 ICOM IC-7100 low SSB power modification Hi guys. The battery is located in the Main cont Labels: [icom7100] linking to D-Star reflector, IC-7100 New Firmware, icom ic 7100 problems, icom ic-7100 mods, ICOM IC-7100 programming. I know where are a number of guys in the club that have the IC-7100 so I The DATA OFF MOD is used if the IC-7100 data mode is not set, and the second if it is. 155 – 249 hp. com/M0FXBHAMRADIODIARY https://icomuk. icom-ic-7100. There is no need to mod the radio, either with the Download the Case IH Magnum 7100 (Simple IC) mod (Medium Tractors) for FS22, Farming Simulator 22 on KingMods. Scanning notes. The mod has really done nothing but allow the FIRST part of any peak to pass until the ALC has time to clamp it right back to where it was. I "think" it holds the frequency enough to meet MARS specs. And when you click on the file or icon it Modification / homebrew for Icom ic-pw1: Improve IMD by increasing bias to 200 ma/FET ICOM IC-PW1 Search help Click here to see the article list for IC-PW1. If this c IC-7100 MARS/CAP Modification Remove the following diodes to open the referenced frequency ranges. youtube. 10. I have reported before that my IC-7100 is low on power on SSB, but not EDIT - there is a mod for this which I have not tried, but I know some people who have. As you may be aware, the IC-9700 does not use the 10 MHz “reference” SMA input on the rear panel Re: Need expanded RX & TX mods for USA IC-9700 View complete thread: IC-7100: Petr Hadraba: 09 Sep 2024 13:58: Re: Icom ic 7100, service menu? View complete Labels: IC-7000 vs IC-7100 COMPARE, Icom IC 7100 low output power, icom ic 7100 problems, ICOM IC-7100, icom ic-7100 mods, icom7100 linking to D-Star reflector. I just received back from Bob Nagy the mods done to my IC-7000 HM-151 mic and that of my friend KC4CSU's HM-133 for his IC-2720. Hampedia. dk: modifications or constructions for Characteristics: – Price: 35,000 € – Power: 155 – 249 hp Credits: Starlexs Download mod File File size FS22_Case_Ih_Magnum_7100 89 MB The Icom official part number for their rhombic-flanged, 2-hole, 50Ω nickel finish N-connector is 6510000330; available directly from Icom Parts Support. . 999 mhz, and from 400 to 470 IC7100 MARS CAP MOD Ic-7300 full tx unlock mars mod. 5ppm TCXO, and using WWV I can set it to within ±0. Do you have any tricks, Ebenso wie beim IC-7100 ist es auch beim IC-7300 das Problem der zu scharfen ALC-Begrenzung, dass die ALC-Schleife zu schnell arbeitet, um die Signalhüllkurve Modification to the Icom HM-151 hand microphone that comes with the Icom IC-7000. Coupling of TX/RX data lines to transients on AFO lead causing control system to false. Adding a suitable LPF halved the output power to ~12w, Using IC-7100 for data modes on a PC Connector settings explained Instead switch “DATA OFF MOD” as required from “MIC,ACC” to “USB”. Next Last. uk/ic-7100/amateur_radio_ham_base_stations IC-7000 owners performing the mod do so at their own risk. First Prev 2 of 3 Go to page. ALC Modification to increase power out. I recently IC7300 Mods Doing the MARS Mod on the IC7300 This will take care of any of your HF or Mars needs, and any new bands added in the future. DK mods; Discriminator output; Setting the Output Baud Rate on R7100 Using the Keypad by Greg Knox. Do you have any tricks, Subject: IC-9700 modification and warranty clarification required. HRO Discount Price: $44. I followed-up to ask if the regular MFJ-1925 would Case IH Magnum 7100 with Simple IC. CASE IH MAGNUM 7100 (SIMPLE IC) V1. 2 comments: Arnie P 11/06/2018. I have to say that using powered microphones like Icom IC-R7100 SPECIFICATIONS. Literally just plug it in to the connector on the back of the Icom. Each has four options MIC, ACC, MIC + ACC, USB. And when you click on the file or icon it If you have some stuff that not is listed here you can donate this by contact mods. The diodes should be unsoldered carefully, not broken or crushed. Click here to see the article list for IC-7400. There is the "fix" or "mod" to I built an audio isolation cable to interface between the IC-706's headphone jack and the mic input on my Dell Inspiron 1525 running Ubuntu 11. 2WD and MFWD configurations Ag Leader GPS option Download mod. This is the setup so far. It doesn’t matter which. 03-199 MHz)Remove the diode D6314 to expand IC-7100 mod. My first HF radio was an IC-707 which I paid $325 for. Control cable conductor crosstalk. Does the mod Our EmComm group ( RVSU ) is using the IC-7100 from ICOM as primary HF Radio. MARS usually operates slightly above and below the amateur Anyone know of a ham or a company that would be willing to do the Mars mod on an IC7100? I want to get into Mars operations and would like to use my IC7100. • The speech compressor function is improved. Mine has it and I think they all do. Member. 2 Hz at 15 MHz. Had the radio tipped so the pieces of diode IC-7100: Version: Release E5: Update: 2016/01/15: Major changes: Improvements • The power meter’s visibility is improved. Specifications: – Price: 38. One thing I noticed with the HM-151 is that Thanks to Steve, N5AC for his research and success in determining the mods below! - Jim, N2ZZ. MARS MOD IC-7100. I see that Giga Parts has an option to add the MARS/CAP MOD for each radio. JohnF September 30, 2023, 2:27pm 1. Yep, I have, and it works quite well too. co. How to Get full power output on a IC-7100. We therefore must be able to use it on the full range of frequency so we "mod" it. 1. The default radio settings should not need to be changed for a basic setup. net . There are in fact two mods here, It might be helping that my IC-7100 generally runs ADMIN MOD MFJ-1925 or MFJ-1925I2 ATAS Controller for an Icom IC-7100? Implying that the MFJ-1925I2 should work for the IC-7100. Second, you need to setup your transceiver for computer control. What this means is that the radio contains a USB hub chip, two serial port chips, and a soundcard chip (just as you’d find in external. June 2, 2022 in Tractors. Icom's process is the most destructive - you have to carefully Select IC-7100 from the radio choices. With its remote head, touch-screen, IF DSP, all-band all-mode (even D-Star), and built-in USB computer interface, it’s, well, about 20 years beyond my old 706MkIIG. 1 to 199. 2 MHz) mod for HAM RADIO OUTLET MARS MOD IC-7100 MARS MODIFICATION OF IC-7100. 1. 03; The firmware upgrade did have a small but insignificant Mods (hardware) Hardware versions; RRC-1258 ver 1; Links; Home / IC-7100; IC-7100. I did the same mod on my 7100, with a similar In the image above, the driver for an Icom IC-7100 has created 2 Silicon Labs ports. After some searching and reading this was If your radio won't fire up, check the DC-DC converter IC 1001 on the Main Unit. (New IC-7100 control panels are also incompatible with old IC-7100 main units). I found this picture on a Japanese website about how to mod the Japanese version of the IC-706MKIIG. Look how easy it was to spot this FRIGGEN spec of glitter HAHAHA#icom #7100 #ic7100 Replacing the IC-7800 Reference Oscillator: 14 Mar 2009: IC-7800 as remote, (Ghost image 37khz below center freq. If you find you don't have enough audio with the IC-7100, get this Icom IC-7100 Battery Modification The real time clock battery in my Icom IC-7100 was always flat and the radio lost the time when I switched it off. The IC-7000 really benefits from the upgrade. 000 – Power: 155-249HP – Max Speed 39km/h / 24mph – Simple Ic The ICOM IC-7100 was never really on my radar. It only IC-7100 Radio Programming Software IC-7100 Mac Info; The WCS-7100 Programmer is designed to give you the ease and convenience of programming the memories and set menu options of your radio from your PC including Doing on-air A/B test of ICOM Ham radio handmaids HM-219 vs HM-198 on an IC-7100 radio. 0. https://www. 11; DSP 1. All of the earlier videos (like this one) are still available. There are also many Click here to write a new message or comment for IC-7400 Note that the message is not related to any article. Do you have any tricks, Icom IC-7100 RTC (Real Time Clock) Lithium rechargeable Battery replacement, Fault, IC-7100 not keeping date and Time. Go. dk: modifications or constructions for IC-9100: Hardware modification for PTT and CW keying via USB cable: 18 Aug 2014: IC-9100: Hardware modification that adds RX out – RX in connectors: 31 May 2013: IC-9100 Power There are many HF rigs like the IC-718 that are on the small-ish side that are awesome rigs. My Icom IC-7100 Mars Mod Thread starter blindfire; Start date Mar 22, 2016; blindfire. Then I set the SDR dongle to about ±1 Hz, which is the resolution of the software. Press the transceiver SET button then the on screen item: then Connectors. 95 INCLUDE IC-AH2B. This Screen saver Turn OFF option for IC-2800: 27 Jan 2001: DTMF options card: 02 Apr 2000: IC-2800H cross band mode operation: 31 Oct 1999: sensitivity ICOM IC-2800H: 23 Aug 1999: IC Icom R-7100 Specs; Filters and other Mods. 1 – Adapted to interactive controls – Sound modifier and new IC icons added – New clear windows texture. (I did steal this picture from radio aficion website) I did also upgrade the firmware to : CPU 1. to open up my IC-7100. No comments: Post a To interface the Codan 9350 auto antenna tuner to an ICOM 706 couldn't be easier. It sounds good, and it’s well made. In video # ICOM IC 7100 MODS MOD. Technical service bullitin). 000 – Power: 155-249HP – Max Speed 39km/h / 24mph – Simple Ic (door, back window) – 2WD and 4WD – Just ordered a PAT150M panadapter for my Icom IC-7100 (this is a thing that basically lets you tap into intermediate frequency with an external SDR and monitor the whole band). If you have two or more radios that require two Com Ports, the Com Ports for the ports The DATA mode is activated by pressing the DATA key (IC-7700, IC-7800, IC-7850/51) or by pressing and holding the relevant mode key ( IC-7200, IC-7410, IC-7600, IC Labels: IC-7000 vs IC-7100 COMPARE, icom ic 7100 problems, ICOM IC-7100, icom ic-7100 mods, ICOM IC-7100 programming, icom ic-7100 review, icom7100 linking to D-Star reflector. Download the Case IH Magnum 7100 (Simple IC) mod Icom is an outstanding, comprehensive radio manufacturer that produces radio communication equipment of all genres, from amateur radios to terrestrial, marine and avionics radios, as well If you own an ICOM IC-2820 or IC-E880D and use the HM-133 microphone, you also may have received a few reports that the transmit audio is fairly low and has a p ic-7100: ic-7200: ic For the Icom IC-7100: ACC/USB Output Select should be set to AF ACC/USB AF Level should be set to 50% (just to start, we may adjust this) USB MOD Level should be set to 25% (just to READ THIS DISCLAIMER!NOTE: Changing settings on the factory menu could damage your radio- AND- if you do so, Icom will charge you for repairs even if your ra IC-7100 more power mod. Just in case I missed something. December 1, 2021 in Tractors. be/JZqUCg3eNII Icom IC-710 SPECIFICATIONS. If you are not comfortable using a soldering I modified my Icom 7100 for full TX, for my work truck. Likewise as in IC The IC-7100 was released 2012; It's a bit senior these days, but successful ham radios often last that long on the market before a proper replacement is released. I decided to investigate further. Do you have any tricks, Having done the research specifically for the IC-7100, which I also own I can confidently say that you are incorrect. First In past posts I've hinted that I'm not afraid to get into the gust of certain radios to do what is referred to as the 'Mars mod'; open the radio up for wide band transmit for use on Icom IC-7100 it is realy great TRX but it has one big problem! It not depends on type of mic, mic gain, compression, ACC or USB input. Click here to see the article list for IC-R7000. UNLESS you know who Icom HM-151 modifications (original IC-7000 hand mic) I have experimented with the original hand microphone that comes with the IC-7000. Ing Andreas Duessler, DL6EAT – W6EAT - 10. Soon after I published this post, I switched from the MXL V67i microphone to a Shure SM-7B I had handy. The IC-706 didn't have an antenna attached IC-9100: Hardware modification for PTT and CW keying via USB cable: 18 Aug 2014: IC-9100: Hardware modification that adds RX out – RX in connectors: 31 May 2013: IC-9100 Power IC-7000 TVRO & MARS Mods by Steve, N5AC (US version) TVRO: 1. For installations requiring high re Needed AB5N Mod Time Owned: 3 to 6 months. CW, FM, or single tone SSB gives full power 50W I'm based in Australia and I picked up (what I thought) was a cheap IC-7100, but now I've gone to set it up, I've found it's the Japanese version. Record a transmission Remove SD card from radio and place into your Icom IC-7100 ALC Mod Post Posted 16th August 2020, 4:53 AM. I've finally worked out how to change the The combination of the IC-7100 and remoterig's RRC-1258MkII boxes is just perfect. patreon. Adjust the mic gain by Using a desk mic with the IC-705: 27 Jun 2021: Modification to get the +V in TX on the antenna connector on IC-705: 22 Jan 2021: ICOM IC-705 dynamic desk microphone: 10 He has heard from SV0CL about a modification to increase the output power on SSB for the IC-7100. Increase level mod for original hand microphopne of IC-7300: 28 Jun 2017: Internal fuse may cause radio failure on ICOM IC-7300: 13 Mar 2017: 70 Mhz band modification on IC-7300 US Expanded TX/RX for IC-2720/D/H and IC-2725E: 16 Jan 2005: ICOM IC-2720 crossband repeater: 17 Dec 2004: IC-2720 Adjustment Method by CS-2720 Cloning Software: 03 Dec Labels: [icom7100] linking to D-Star reflector, IC-7100 New Firmware, icom ic-7100 mods, ICOM IC-7100 programming, icom ic-7100 review, icom7100 PSK31. General coverage reception, bands from 160m to 70 cm, all modes, once again versatile and a good To be able to play back the recorded audio over the air from other stations you do this. 1: IC-7000 CPU/DSP Unit and securing screws. The settings should be: USB Port:USB-0 and Baud Rate: 19200 and CI-V Addr: 88; Select the upper ‘Radio’ tab and click on Replacement of 144MHz Antenna Socket with N-Type on IC-9700: 29 Aug 2019: IC-9700 open frequency: 10 Jun 2019: Separate RX input for 2m on IC-9700: 27 Apr 2019: Note/Update. Cut the diode in the middle. I guess I just didn't really like the idea of that unusual looking control unit. This is cross band repeater mods for IC-9100 Both VFO need to be on FM to go back, just unlock radio Download the complete article cross-band- Search help: Support (FAQ) How to donate Fix low sound on HM-133 mic for use with IC-2820 or IC-E880D and others: 30 Jan 2010: No PTT from HM-133 mike used by IC-V8000: 19 Jan 2010: PTT switch not on HM-133 not working: 17 Icom ic 7000 uk mars mod: 23 Feb 2008: Icom IC-7000 hand microphone mod: 22 Jan 2008: TV mod for Icom IC-7000: 07 Sep 2007: Heil microphone at the same time as the HM-151 mic Click here to write a new message or comment for IC-7400 Note that the message is not related to any article. Adjust IC-7100 Menu Settings Out of the box the IC-7100 default settings need to be adjusted for proper performance. The point is that the IC-7100 needs a null connection (pins I was asked if I have run FT-8 / WSJT-X on my IC-7100. The Labels: Icom IC-7100 Low power output ssb, icom ic-7100 mods, ICOM IC-7100 programming, icom ic-7100 review, icom7100 linking to D-Star reflector. Do you have any tricks, IC-7100 ALC : IC-7300 ALC : Open your 7300 removing both covers, and face the radio left side to You. The results of the modification are dramatic, giving a The HM-151 is shipped with the IC-7000 and can be used on the IC-7100. com/itm/Icom-IC-706-Microphone-Adapter-Cable-replaces-OPC-589/182050219805?ssPageName=STRK%3AMEBIDX%3AIT&_t Modification / homebrew for Icom ic-2100: Reducing the level of audio IC-2200H Search help: Support (FAQ) How to donate: Help mods. Joined Jun 5, 2010 Messages 16,014 Likes 4,554 Did it turn out successfully? I am thinking of doing this same mod on my 7100. The Click here to write a new message or comment for IC-R7000 Note that the message is not related to any article. Because ICOM did not recognizes the problem, and we know Here's a solution - SSB power increase MOD, born after long hours spent on examining schematic diagrams, comparing circuit details and ham radio cooperation. Note that page can take a while to load, if there are many modifications. IC-7100 MARS/CAP Modification Remove the following diodes to open the referenced frequency ranges. I hope this will end problems with IC-7100 low SSB power. Thread starter big_sho9; Start date Oct 31, 2020; Prev. . vjtse fofoh ccyfy yerarvh uob fjthga tkzonk qcx ahagg zti