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    • Ic 9700 drift fix. 174 FT8 power 100% for 5 minutes or longer.

  • Ic 9700 drift fix These tests are at 144 MHz with a transmitter power of 20 watts. Added a function that prompts the user to save settings during the firmware update dialog. NC1I and I spent some time looking over the radio and we came up with a brilliant idea: add a spacer between the fan and the cast body of the rig to The IC-9700 isn't a direct clone of the IC-7300 (other than physically), but close enough that much of the workflow is the same. 152MHz signal IC-9700 GPS-locking mods As this is not a proper continuous phase-lock system, the internal 49. Does the Icom IC-705 drift in frequency? The results may surprise you! In this video I put that to the test with my IC-705 using WSPR. Jul 9, 2022 · Probably IC-9700 drift - an external 10MHz reference should tame it as will 49. Connecting it to the Ref in on the 9700 with the "sync to ref in" setting on resulted in a solid frequency lock. Jan 7, 2024 · Does the Icom IC-705 Drift? Test and Results HERE! 17 October, 2020 - Reading time: ~1 minute. ic bu4094bcf-t1 ic12 1110001900 s. 20 version of firmware really fix the drift issue with the 9700? Mine still has issues. With the external GPS reference there was a slight noticeable drift. 5 at resonant frequency 50 MHz preamp Gain 26dB with the BFG135 Preamps for 144 and 430 MHz, for 50 MHz, the BFG135a is a cheap transistor and in my view rather strong. B. Another interesting post appeared today on the IC-9700 reflector. So there is your Columbo start. Unfortunately, I don’t know if that was ever fixed in hardware or not on more recent production units since the software route was unsuccessful. With the added fan and no external reference 3 Hz drift. 2mx WSPR now shows 0hz drift both on TX and RX with others who are ref locked. 21. Then set the CW side-tone to 1000 Hz and look at the audio scope. Fig 9: Drift with the IC-9700 transmitting as received on the GPSDO locked IC-9100. ic µpc4570g2-t1 ic271 Unfortunately the IC-9700 lacks separate RX and TX connections, and like the TS-2000, is a fairly small package that doesn't provide much space to make or bring out additional connections. 06 to v1. Tests on frequency stability of It isn't fixed with a single diode. 21: Update: 2019/12/13: Major changes: Changes from Version 1. 2 Hz is seen at 1296 MHz. With 212 confirmed grids, the digital modes (MS, FT-8, and EME) have become much more important to me and the amount of drift is an issue of concern. 174 FT8 power 100% for 5 minutes or longer. 10 of the firmware with my 7851 ref output which is +/- 0. Without the fan and no external reference. Turn IC-9700 on and let it warm up for 5-10 minutes. Refined the tuning scale of the reference frequency adjustment. Changed the screen drawing sequence to keep the previous frequency screen layout when exiting from a function displayed in fullscreen. on the IC-9700 during the RX period (Fig 10). You must now also go out and buy a 10 MHz reference and if it’s GPS based hope you get a signal lock inside your shack. Whilst the fan coming on and off does contribute towards drift ultimately it is the heating and cooling elsewhere in the case which affects the temperature of the TXCO which isn't a particularly out of the ordinary stability that is the issue. The very best option to fix the frequency drift is the Leo Bodner direct injection. AGC issue not addressed Apr 1, 2021 · There are multiple ways to set up and use DSTAR on the IC-9700, each with pros and cons. 11. Skip to content. Thinking of buying a Icom IC-9700? Or own one already and want to get the most out of the rig? This presentation was recorded at the REAST (Radio and Electro [rit board] [pll unit] order order description description 7210003090 variable rv-316 (rk0972210c05 10kb/10kb) 1130007700 s. AGC issue not addressed Does the 1. ini, there might be some subtle differences to the 7300, but it works OK for basic frequency/mode logging. The IC-9700 is a huge leap forward compared to that radio. 10 and should fix the ‘drift problem’ which some experience. For 1200 MHz, the Down Conversion IF Sampling method is adopted. Icom just released new firmware for the IC-9700. Unfortunately the IC-9700 lacks separate RX and TX connections, and like the TS-2000, is a fairly small package that doesn't provide much space to make or bring out additional connections. 13: Update: 2019/08/30: Major changes: Changes from Version 1. IC-9700: Version: Version 1. No IC-9700 on 2m 144. Optimized the squelch characteristics. Im 70cm Band beträgt die Drift aber "nur" ein Drittel davon und im 2m Band nur ein Neuntel. 174 MHz (of course) and to call in FT8. That "fix" doesn't fix it. Press MENU button then tap (1), SET, Function, REF Adjust. 2GHz / 23cm Aug 30, 2019 · IC-9700: Version: Version 1. I have modified my IC-9700 to keep the fan continuously running at a reduced speed by fitting a 6. ICOM did not fix the radios inability to transmit or receive 9600 baud thus satellite digital stuff is off the table. AGC issue not addressed Being a UHF (1. Skip to content It has shown that the stability/drift issues for most of the people is a non-issue; the small part of people that need to have a clean and stable signal have now also the possibility to reflock it. Oct 1, 2019 · For comparison, the drift at 2m was hardly measurable on receive although turning on the GPS made the IC-9700s frequency readout accurate - by moving the radio 35hz. 30Hz drift. As I use my IC-9700 for 2 m and 70 cm only from home, I connected a dummy load to the 23 cm antenna socket. 2GHz / 23cm) transceiver, the performance characteristics of the Icom IC-9700 are inherently hard to quantify. Fixed an issue where a repeater may not be selectable from Während ich diese Zeilen schreibe, driftet der IC-9700 auch ohne zwischenzeitliches Senden - also nur auf Empfang - fröhlich weiter. ICOM has tried to fix it by a software update, but from the reviews, looks like it doesn't help. Apr 17, 2019 · There is also the issue of drift with the 10MHz input on the IC-9700 being for reference only verses the lock on the IC-7610. Ford’s Pro Power Onboard. In this system, signals are digitized by the ADC and processed in the FPGA. It was hard work to adjust anything, you just had to take what you were given. A question in a Facebook group about a GPDSO for an IC-9700 to be used on 23 cm for FT8 inspired me for a quick test. RF Direct Sampling, for 144 MHz and 430/440 MHz, is utilized in the IC-9700. I might be The new Firmware update does not by itself fix the serious drift issues. I then plugged it into the data socket on the IC-9700. With the previous firmware, there was a delay in sounding the standby beep when the transceiver communicated with other manufacturers' DV equipment*. Skip to content VK Logger Ham Radio Forum Archive. Feb 26, 2021 · Hi all, I've ordered an IC-9700 and am waiting to hear when it will be delivered. 26. should not worry. Next was to tune it to 1,296. Fixed the problem where the scan might not stop, even when the transceiver receives a signal. It describes how to improve frequency stability. - The number of FIX EDGE memories is The IC-9700 isn't a direct clone of the IC-7300 (other than physically), but close enough that much of the workflow is the same. I first have used v1. I can stand being a few hz out but I detest drift. Seems that the only way to fix this correctly is to spend another $200 for aftermarket parts from UK. VK Logger Ham Radio Forum Archive. Fig 1: Drift on the IC-9700. 5mm stereo plug is OK here! I mounted the sockets on a bracket and stuck the bracket on my shelf with a double sided sticky pad. 152 MHz TCXO reference is still subject to drift, especially when the internal fan cycles on and off Jul 9, 2022 · Probably IC-9700 drift - an external 10MHz reference should tame it as will 49. Mar 18, 2024 · This module allows locking the ICOM IC-9700 radio transceiver internal frequency reference, to an external 49. etc…. ly/2lvUGsD💰 Support this c IC-9700 Drift @ 50w. VK Logger Discussion Forum 2006 - 2016, 2018 - 2021. I have a (sort of) feeling that the IC-9700 is not the end of the line for Icom VHF/UHF offerings. At first I wasn't sold on the 9700 - that much money for 2m/70cm/23cm, the latter I've never run before? Jul 4, 2011 · However I'm running my IC-9700 throughout the day to age the Ref Osc crystal. 23: Update: 2020/04/03: Major changes: Changes from Version 1. 000 Mhz and tune the 9700 there in CW mode. In addition to providing injection locking of the 49. - A popup screen that displays when SPAN or EDGE change is added. ICOM IC-9700 Setup Instruction. connector 06fmn-bmttr-a-tbt ic131 1140007880 s. ic µpc4570g2-t1 ic101 1130004830 s. Icom-9700 Links → . The new Firmware update does not by itself fix the serious drift issues. 2. While a 10 MHz accurate and stable frequency source can calibrate the TCXO, this internal clock cannot be phase locked to an external standard. Many log programs currently lack a setting for the IC-9700, those that use Omni-Rig can edit the IC-7300 ini file to change the CI-V address entries from 94 to A2 and rename the file to 9700. At first I wasn't sold on the 9700 - that much money for 2m/70cm/23cm, the latter I've never run before? For those members of the OVMRC that are fortunate to own an IC-9700 2m, 70cm and 23cm multi-mode and full duplex cross band transceiver, I want to bring to your attention a specially designed inductor signal injection kit complete with a mounting hardware that is available as well from Leo Bodnar designed specifically for the 9700 that works My initial transmission creates a 20 Hz drift MAXIMUM but after that, it settles down nicely. People using the IC-9700 for FM (repeaters), satellite, FT8, etc. 30: Update: Feb. In this case transmission IC-9700 frequency stability and drift tests. I've also ordered a 10MHz GPSDO and a small attenuator (why the input to the 10MHz port has to be as low as -10dBm seems a bit strange, but never mind) and am looking forward to comparing the performance on 144/432/1296MHz with my 14 year old TS2000X. I measured about 350 Hz total pull range on 2 m. First week with the IC-9700–a dream rig! The receiver hears signals I used to use an external preamp to hear. Having run an FT-991a for a year, I find the menus on the Icom to be easier to navigate. Aside from saving your rig's setup, a grotty old 8GB SD card provides heaps of audio recording time. ic tc190g08af-0046-z/sc-1246a ic161 1110001900 s. At first I wasn't sold on the 9700 - that much money for 2m/70cm/23cm, the latter I've never run before? Feb 13, 2024 · For those members of the OVMRC that are fortunate to own an IC-9700 2m, 70cm and 23cm multi-mode and full duplex cross band transceiver, I want to bring to your attention a specially designed inductor signal injection kit complete with a mounting hardware that is available as well from Leo Bodnar designed specifically for the 9700 that works The plug for the IC-9700 end does not need to be a small body type so a normal 2. Posts: 143 Threads: 46 Joined: Nov 2016 #1 25-04-2019, 12:39 PM . Since this requires switching screens on the 9700, it’s easier to use a phone app to measure the 1000 Hz tone. We've noticed that a few reports Being a UHF (1. 152 MHz TCXO, the RefGen-9700 provides 10MHz to the IC9700’s Ref-In. IC-9700 Fan Modification The fan in the unit does not run while the unit is in receive mode, and this appears to be a cause of significant temperature variations within the transceiver: Icom IC-9700 Modification European icom IC-9700 the modification only works on european models: ICOM IC-9700 Reference Injection Board Apr 24, 2019 · Rex VK7MO talks us through the frequency stability issues with the new Icom IC9700 radio. The IC-9700 seems to run cooler than the old IC-910, with an uncalibrated hand feeling how warm the top panel is. 152MHz injection locking (Leo Bodnar), but it may also be worth considering making a modification to keep airflow running through the rig on RX, the Diode mod to run the fan at half speed on RX, wiring the internal fan to continuous 12V so it runs continuously, or fitting an additional external fan (no internal mods Oct 20, 2019 · Has the drift issues related to WSJT-X in the Icom 9700 been fixed? Has the new firmware update fixed it? Well in this video I put my new Icom 9700 to the te Feb 28, 2022 · Change the GPSDO to 435. I have documented the process with pictures of where I installed the Aug 21, 2024 · The RefGen-9700 module provides an injection lock of an IC-9700 to an external 10MHz reference generator such as the GPSD-2. (N. 2021: Major changes: Changes from Version 1. Adjust sliders so Sep 15, 2023 · The CS-9700 programming software used with this firmware can be downloaded here. 20. It is seen that there is now essentially no drift indicating that the drift is entirely dependent on the quality of the GPSDOs. I am sure there will be little things that pop up but initially this radio is a winner. WSPR test with the GPS-9700 GPS locked. A fix could be a (more) permanent lock/sync, but a fix could also be made in the fan controller, since the temperature is directly involved with the IC-9700’s drift. The Terminal… April 1, 2021. Subscribe to Ham Radio DX! https://bit. In this case transmission on the IC-9700 during the RX period (Fig 10). 10 . The 1Hz difference is the receiving station VK5WA changing between a GPS locked GPS-9700 and a GPS locked signal generator. Now adjust the 9700 calibration until the received tone is 1000 Hz, as seen on the audio scope. Now your 9700 is safe from frequency drift due to temperature change, fans coming on, airco’s switching, variations in the earth magnetic field, etc. Heute morgen frisch geeicht, hat er sich schon um 40 Hz (im 23cm Band) davon gemacht und wandert weiter. May 21, 2024 · I started doing some research on the IC9700, noticed that there is a very concerning drift problem out of the box. ICOM IC-9700 Setup Instruction • Turn IC-9700 on and let it warm up for 5-10 minutes • Switch to a SSB mode and tune to a reasonably stable CW signal you can hear and see on the waterfall • Press MENU button then tap (1), SET, Function, REF Adjust • Turn on and off external reference and observe CW signal frequency shift. While I am not sure what year the Feb 28, 2022 · This should give you about the same pull range, implying your 9700 calibration is right in the middle of the total pull range. When operating on SSB on 2 meters, use of RIT of 10 or 20 Hz to compensate for drift, Dec 13, 2019 · IC-9700: Version: Version 1. People using the IC-9700 for weak-signal modes and EME should, and not putting the old locked The IC-9700 is a multi modedata), three band transceiver using mostly software defined radio techniques 23cm Yagi Antenna building Finished antenna at 1275 MHz SWR under 1:1. Insert the SD card with the firmware data into the transceiver. This isn't a problem at all When the 10 mHz reference issue is fully addressed, I'll use my GPSDO but until then, the radio is entirely fine for my use as is (sequencing and separate RX ant input is another issue) The plug for the IC-9700 end does not need to be a small body type so a normal 2. Turn on and off external reference and observe CW signal frequency shift. 8V Zener diode across the appropriate switching transistor. The radio was set to transmit 5W and received by my GPS locked IC-9700 at my remote station. Drift of up to +/- 0. 24 [Spectrum scope is improved] - A Scroll mode that can seamlessly change the displaying scope range, depending on the operating frequency, is added. This board is installed into your Icom IC-9700 and solves the issue of drift and frequency stability Apr 3, 2020 · IC-9700: Version: Version 1. To update the firmware; 1. There was a 10 minute break in transmission to show the increase in drift during the first period of transmission. VK7HH Senior Member. 152MHz injection locking (Leo Bodnar), but it may also be worth considering making a modification to keep airflow running through the rig on RX, the Diode mod to run the fan at half speed on RX, wiring the internal fan to continuous 12V so it runs continuously, or fitting an additional external fan (no internal mods May 21, 2024 · FWIW, I was looking at the ICOM IC-9700 as well and saw the drift issue. The IC-9700 Delivers! Time Owned: 0 to 3 months. dat) and copy it into the “IC-9700” folder that is on your SD card. Switch to a SSB mode and tune to a reasonably stable CW signal you can hear and see on the waterfall. Download and unzip the firmware data (for example, 9700E144. The touch screen is intuitive. Hardly as significant as 23cm because it seemed perfectly stable even if it was wrong. 05ppm and I effectively have worked ft8 and wspr on 23 so with that WSPR test using the GPS-9700 non GPS locked on the IC-9700 on the 23cm band showing the minimal drift due to the quality VCTCXO that is used. Introducting the Leo Bodnar IC-9700 GPS Injection Board. The audio is excellent both receive and transmit. One positive is it only get just over half way on the TEMP gauge doing the back to back TX Summary - until there is a software upgrade/other fix the IC-9700 is useless for The cooling fan is a major source of frequency drift in the IC-9700, affecting the TCXO master clock oscillator. Oct 3, 2019 · From an operational perspective the IC-910 seems like a generation ago rather than ten years. The version is bumped from v1. • At the top both the signal source and the radio are locked to the same GPSDO and thus any drift on the GPSDO tends to cancel. 3. For both you and @jwt873, I do have a concern that you all might be able to elaborate on. 70cm WSPR also has 0hz drift. ic tc7su04f (te85r) 6510022570 s. guv rbmhh vvbbfu crb aoyee cqrs hisrw vxnuphq trhzm sdu