Mmdvm repeater

TKR-850 and MMDVM Integration Details June 3, 2017 by vk4jlm After receiving a few emails from people interested in how I interfaced the Kenwood TKR-850 with the MMDVM, I have started to collate the information on the TKR-850 Multimode Repeater page so that it can be shared with others who would like to build a similar setup.

TKR-850 and MMDVM Integration Details June 3, 2017 by vk4jlm After receiving a few emails from people interested in how I interfaced the Kenwood TKR-850 with the MMDVM, I have started to collate the information on the TKR-850 Multimode Repeater page so that it can be shared with others who would like to build a similar setup.DMR/D-Star MMDVM Repeater 430.2875Mhz (+9 MHz) DMR - CC07 TS1 FreeSTAR : TS2 BrandMeister D-Star GB7HA C - GB7HA G Note - No Static TG set up . GB3VR. ... DMR Repeater Located in Hatfield Herts 439.425Mhz - 9MHz split CC10 TS2 BrandMiester static TG Hubnet. TS1 DMR2YSF eg to connect to Southern Fusion use TG 7041893.MMDVM HotSpot: firmware for ZUMspot or MMDVM_HS based boards (D-Star, DMR, YSF, P25, NXDN and POCSAG) - juribeparada/MMDVM_HS. ... Not DMR activation ("repeater fail" error) with MD380, Ailunce HD1 or some other radios: increase DMR deviation to …Keyword: MMDVM NanoPi ,duplex , hotSPOT ,Pi-Star ** DMR EmbeddedLCOnly Hytera/Anytone/TYT MD380 show alias name (Callsign) NO.7 PDC760 interrupt when use timeslot2Repeated subtraction is a teaching method used to explain the concept of division. It is also a method that can be used to perform division on paper or in one’s head if a calculato... Doing this update will add the M17 Digital Voice mode to the MMDVM modem. Essential information. It is important to know that out-of-the-box, the Repeater Builder STM32-DVM-MTR2K ships with: MMDVM modem board designed for use with the Motorola MTR2K; Orange Pi NanoPi with 16GB SD card flashed with Pi-Star (v4.1.5) Optional: Ethernet extension

Building a Digital Mobile Radio Repeater Part 1: MMDVM. Installing MMDVM on an STM32F4 NUCLEO board and assembling an interface shield. In this series of …MMDVM Hotspot is a Multi-mode Hotspot, supports C4FM YSF NXDN DSTAR P25 DMR . If you connected to your home network/wifi, it will remember your home wifi. ... Color code, Repeater Slot(Time Slot Defaults 2) as Radio Mobile and WiFi Details. Note: All designs will be contributed on MMDVM open source project. Analog radio USB is not supported ...not for MMDVM Repeater HAT, adjust external radio frequency offset and RX/TXLevel instead. at October 13, 2019 1 comment: Email This BlogThis! Share to Twitter Share to Facebook Share to Pinterest. Labels: offset. Wednesday, October 9, 2019. OpenGD77,TYT-MD760 flash MMDVM firmware, work as MMDVM SIMPLEX hotspot.and a MMDVM board is a digital only device. on the flip side you can use AllStar on GMRS to link repeaters together and I suppose simplex nodes as well (no repeaters allowed on MURS) there is plenty of GMRS linking going on via AllStar. but you must run it on a private network as you cant cross GMRS and Amateur services.For a REPEATER install you need to load the FM firmware onto ur MMDVM repeater board. All PROVIDING it supports it of course, as not all of them will. You'll need to be running the current pistar 4.1.2. Then copy this into the mmdvm.ini file. [FM] Enable=1. # Callsign=. CallsignSpeed=20. CallsignFrequency=1000.For preview, more settings guide please follow my YouTube , I will update again.MCS2000 pinout sane as GM1200.The MMDVM repeater board and cable, obtain from...This MMDVM for Raspberry Pi 3B and 3B+ and Raspberry PI 4, provides a multimode digital access point: D-Star, DMR, C4FM, P25, POCSAG and NXDN.. The DUPLEX version, allows to use in DMR the 2 TimeSlot or to create a mini MMDVM repeater. The card can operate in RX and TX from 60MHz to 650MHz with 10mW max, but is restricted by Pi-star software to operate on VHF and UHF amateur radio frequencies.

Product available for sell #Repeater board V3F4 with Cable #MMDVMRepeater Builder STM32-DVM. Yes it will function as a standalone repeater without internet linking: How to make a MMDVM Digital Repeater - N5AMD's Digital Voice Resource. updated: 03/04/2021 Since the release of the MMDVM in early 2016, Johnathan Naylor’s (G4KLX) creation has hit the ground running throughout the ham community. …Re: Kenwood TK-8180 UHF radio's for MMDVM repeater use. by N7GWA » Sat Mar 26, 2022 5:16 pm. I have a repeater utilizing two 8180's connected to a DVM, and its a great setup. Not sure about the front panel though. If you're worried about people messing with them, try disabling the buttons in the software. 2 posts • Page 1 of 1.Detail description see BI7JTA BLOGhttp://mmdvm.bi7jta.org/search/label/MMDVM_repeaterAmateur Radio Toys storehttps://www.bi7jta.org/cart/index.php?route=prod...Greetings All, I am trying to setup an MMDVM as a remote gateway to a Yaesu DR-1X repeater that doesn't have Internet access at the site. I am setting it up as for System Fusion on both YSF reflectors and FCS reflectors, and I set the option for "RemoteGateway" in the MMDVM.ini file to "1" but the DR-1X won't repeat anything transmitted from the MMDVM.

Clayton homes reviews bbb.

TJC screen firmware for MMDVM TJC4224T022_011 Wiki http://wiki.tjc1688.com/doku.php Firmware HMI and TFT/ Editor download ht...You can use an MMDVM hotspot if you don’t have a digital repeater nearby or simply want some other options. Basically, hotspots are your own personal digital voice repeater and gateway. A personal, low-power hotspot is a combination of hardware, firmware, and software that lets an amateur radio operator with an Internet connection link ...Original README. This is the source code of the MMDVM firmware that supports D-Star, DMR, System Fusion, P25, NXDN, and POCSAG modes. It runs on the Arduino Due, the ST-Micro STM32F1xxx, STM32F4xxx and STM32F7xxx processors, as well as the Teensy 3.1/3.2/3.5/3.6. What these platforms have in common is the use of an ARM Cortex-M3 or M4 processor ...Apr 10, 2023 · MMDVM, Homebrew Repeaters Owners. If you are running a repeater using a 6-digit DMR ID and connected to a BrandMeister Master, and you have not set a password yet, please login to your repeater page and scroll to the bottom of the screen where you will find the “Device Password” field:

Specifications. The MMDVM-Pi board is designed for repeater and high power hotspot applications – connects to user supplied Raspberry Pi board and radio(s) Utilizes a high performance 32bit ARM processor (STM32F722) running at 180Mhz (Room for future upgrades) Fifth generation analog filter design that provides an extremely low BER compared ...Wire LAN recommend, the first time you use MMDVM hotspot. Figure: hardware wiring diagram Step 2 Network Configuration There are 3 methods to make MMDVM hotspot connect to internet 1, Wire LAN (Simple and Recommend) NOTE: 1, This method cannot use in your Raspberry Pi ZW, not have LAN interface, Unless you buy a USB-LAN adapter.This demonstrates that an MMDVM/Pi repeater board connected to two Motorola CDM-1550 radios can receive and transmit on two DMR time slots simultaneously.Have you ever wondered where the clipboard is on your computer? The clipboard is an essential tool for anyone who frequently works with text and images. It allows you to easily cop...Click Here To Download The MMDVM-Pi 1.0 Board Configuration Instruction Sheet! MultiMode Digital Voice Modem (MMDVM) Designed for repeater and high power hotspot applications (Additional Hardware Required: Radio(s) and Raspberry Pi); Fully assembled and tested full sized Pi format PCB, Mounts cleanly on RPI 2 and 3To update the firmware within PiStar execute the following commands: $ rpi-rw. $ pistar-mmdvmhshatflash hs_dual_hat. If you have a board equipped with 12.288MHz TCXO you have to flash the according firmware type using: $ pistar-mmdvmhshatflash hs_dual_hat-12mhz.MMDVM instruction step-by-step . This is a short manual for setting up MMDVM hotspot or repeater using Kavkaz SD card image created by Igor UA6HJQ. STEP 1. HARDWARE. You need to purchase next components: - Raspberry PI3 - 8GB or 16GB Class10 MicroSD card - Arduino DUE - Shield for Arduino DUE, for example designed and assembled by ES1BIS ...Dec 11, 2019 ... MMDVM DMR Репитер. 4.8K views · 4 years ago ...more. Алексей RN6LJT. 190 ... GM338 CDM1250 CDM1550 CDM750 MCX760 MMDVM Repeater FM Analog Test ...

About Simplex hotSPOT for RPi with Cool mini fan Feature : support both UHF and VHF, High-quality TCXO

May 8, 2022 · Open the Raspberry Pi Imager and click Choose OS. Scroll to the bottom of the list and click Use custom. Browse the to .img file extracted above and click Open. If the .img is on your Desktop or Downloads folder you can click your username on the left then select Desktop/Downloads. I even tried a different radio thinking it might be the radio is not transmitting. Using a AT-D868UV I get the "repeater not found" message. Using a GD-77 it doesn't give me that message, but nothing seems to be happening. Also on the Zumspot board the only light that is on is the power light. During none of these tests did the PTT or the DMR ... STEP 2. SDcard image installation. I am using a full complete SDcard image for Raspberry PI3 created by Igor UA6HJQ. Many thanks to Igor for this image! It have all needed components for MMDVM repeater or hotspot. including software for programming Arduino. You can download it from http://ua6hjq.qrz.ru/voip/kavkaz1114.7z. Re: mmdvm vs DStarRepeater mode. by M1DNS » Mon Sep 21, 2020 8:23 pm. Depends on the hardware used. For MMDVM boards use a mmdvmhost setup. For earlier generation or legacy hardware such like DSTAR gmsk boards, dvrptr cards, dvap, original dvmega etc. use a Dstarrepeater setup. Sent from my SM-G935F using Tapatalk. Andrew M1DNS.The repeater does work fine in stand alone analog mode. With the MMDVM, repeater mode has been disable and the station is in base station mode to maintain full control of the transmitter via the rear connector. 3. Just an additional note, the repeater has been programmed WIDE band.TK-8180 Kenwood setup for MMDVM, using repeater keeper STM board PAUL PHILLIPS. All Messages By This Member #176141 Hi all. I have two TK-8180's I want to interface into either a Zum 1.0.1 board via an Arduino Due board. Or the STM32 repeater keepers board pi-hat.May 8, 2022 · Open the Raspberry Pi Imager and click Choose OS. Scroll to the bottom of the list and click Use custom. Browse the to .img file extracted above and click Open. If the .img is on your Desktop or Downloads folder you can click your username on the left then select Desktop/Downloads. Troubleshooting: When accessing a repeater, be sure your power levels are set to TURBO for 7w output. When accessing a repeater from within a vehicle, use a mag mount antenna on the vehicle. If you are over 3 or 4 miles from a repeater, use a high gain antenna like a Nagoya 771. If you are using the 578 Mobile, you will want to be sure to use ...

Movies 93117.

Applebee's grill and bar niles.

From: [email protected] <[email protected]> On Behalf Of John Sent: Tuesday, October 20, 2020 1:10 AM To: [email protected] Subject: [repeater-builder] Motorola MTR-2000 with MMDVM Card from WA0EDA Design I'm hoping that I can find someone who can shed some light on this issue. We have a MTR2000 with the add-in MMDVM card as designed by Cort Buffington.To setup a DMR repeater with MMDVM, often the transceiver used are Motorola. This time, I sought to implement TAIT® branded transceivers also used by …Doing this update will add the M17 Digital Voice mode to the MMDVM modem. Essential information. It is important to know that out-of-the-box, the Repeater Builder STM32-DVM-MTR2K ships with: MMDVM modem board designed for use with the Motorola MTR2K; Orange Pi NanoPi with 16GB SD card flashed with Pi-Star (v4.1.5) Optional: Ethernet extensionand a MMDVM board is a digital only device. on the flip side you can use AllStar on GMRS to link repeaters together and I suppose simplex nodes as well (no repeaters allowed on MURS) there is plenty of GMRS linking going on via AllStar. but you must run it on a private network as you cant cross GMRS and Amateur services.HBlink provides a suite of programs for building and extending existing networks that use the Home-brew Repeater Protocol and OpenBridge protocols. These protocols are most commonly associated with MMDVM and the Brandmeister and DMR+ networks. The hblink3 repository is where current development is taking place, and is the Python 3 version of this project. HBlink is not a "plug and play ...The repeater does work fine in stand alone analog mode. With the MMDVM, repeater mode has been disable and the station is in base station mode to maintain full control of the transmitter via the rear connector. 3. Just an additional note, the repeater has been programmed WIDE band.The W8WKY 442.275 repeater is using a Raspberry Pi controller with Scott Zimmerman N3XCC’s excellent ST32-DVM digital modem and Andy Taylor MW0MWZ’s fantastic Pi-Star software. This setup allows the repeater to automatically detect which digital mode the user is using, and repeat it. The repeater can also connect the repeater to Internet ...2. Control Software. To set your hotspot to the duplex mode you should set the following items as it is desribed below . Then click the Apply Changes button: Controller Software: MMDVMHost (DV-Mega Minimum Firmware 3.07 Required) Controller Mode: Duplex Repeater (or Half-Duplex on Hotspots) 3. ….

Correct method for adjusting TXLevel #MMDVM_REPEATER Correct method for adjusting TXLevel (Physical adjustment, non software adjustment). Detail method find the key words "2.5.29 Adjust TX Level with SDR" in the following link.The Yaesu DR-1X Repeater can be easily used for D-Star or DMR if you connect an MMDVM board to the rear accessories connector. The Weston Repeater Group use four Yaesu DR1X's as four of our five repeaters, and they work well and have done for years. One is driven from a Wires-X HRI-200 and is used as our Fusion repeater, one is analogue FM on ...MMDVM hardware and software is at the core of most digital mode hotspots on the market. The success of the MMDVM Project comes from countless hours of work by different people and projects going back to the earliest days on D-STAR. MMDVM now supports D-STAR, DMR, YSF, P25, NXDN, M17, POCSAG, and even analog. This project has become a truly ...Change repeaterID to your repeater's source ID Change txTg to your desired reflector connection. K5TRA Installation T.Apel 13 2. DVSwitch.iniChange txPort from 31103 to 34103 ... Log files can be found in /var/log/dvswitch and /var/log/mmdvm . You should be able to see ASL PTT events in the logs. Start with ASL-AB interface and move outward ...Connection notes for a Bridgecom BCR series repeater (PDF) ICOM; Connection notes for an ICOM FR-4000 repeater (PDF) Connection notes for an ICOM FR-6000 repeater (PDF) Kenwood Repeaters; Connection notes for a Kenwood TKR-x50 series repeater w/analog repeat. *** Revised concept 1/2019 *** UHF Codeplug (.dat) for the example above.TK-8180 Kenwood setup for MMDVM, using repeater keeper STM board PAUL PHILLIPS. All Messages By This Member #176141 Hi all. I have two TK-8180's I want to interface into either a Zum 1.0.1 board via an Arduino Due board. Or the STM32 repeater keepers board pi-hat.After setting up the MMDVM duplex hotspot board, it is necessary to adjust the transmit and receive offsets in the MMDVMHost expert editor section. Basically this corrects the transmit (TX) and receive (RX) frequency of the board, if they’re not on frequency. This is the BER 0.4% when no setting RX/TX offset.Set UR field to either CQCQCQ, USE REFLECTOR or USE REPEATER. Following the recommendations above will help ensure your radio is set 'correctly' for use the DSTAR mode with pi-star. Also if the pistar setup is intended to be a multiuser installation such as a repeater or simplex gateway, where it runs under its own club call, …Step 3 – MMDVM Repeaters (6 Dig ID) Via MMDVM. Only Repeater 6 DIG IDs can use the setting below. Gateways 7 DIG IDs join as Hotspot or contact us to be listed under Repeaters.I even tried a different radio thinking it might be the radio is not transmitting. Using a AT-D868UV I get the "repeater not found" message. Using a GD-77 it doesn't give me that message, but nothing seems to be happening. Also on the Zumspot board the only light that is on is the power light. During none of these tests did the PTT or the DMR ... Mmdvm repeater, MMDVM, Homebrew Repeaters Owners. If you are running a repeater using a 6-digit DMR ID and connected to a BrandMeister Master, and you have not set a password yet, please login to your repeater page and scroll to the bottom of the screen where you will find the “Device Password” field:, 2. Control Software. To set your hotspot to the duplex mode you should set the following items as it is desribed below . Then click the Apply Changes button: Controller Software: MMDVMHost (DV-Mega Minimum Firmware 3.07 Required) Controller Mode: Duplex Repeater (or Half-Duplex on Hotspots) 3., About the first repeater (W9YT, the one works with Anytone but not with 7550): It's a somewhat funny mixture of a Kenwood repeater and an mmdvm host. Here are some details about this setup. The second repeater labeled itself as a DMR Marc repeater, and the handshake seems to be successful for both Anytone and 7550 on that repeater. However ..., The Shopping List for your Home-Brew MMDVM Repeater Project using Motorola CDM 1250 Uhf radios. Before we attempt getting started on this project, you will first need go shopping for a few essentials before beginning: Raspberry Pi 3 (Amazon) $39-45ea. Raspberry Pi Case (Amazon)$6.00 - $20ea. Power supply for Raspberry Pi (Amazon) $8.00-$10.00., Getting my Motorola CDM 1550 LS radios to work on MMDVM and Pi-Star. This is one of many videos to come on how to build your own MMDVM repeater using Motoro..., If Paytm "kills it" in Japan, its CEO says that will be a green light to expand in other advanced economies. Electronic money is catching on in many parts of the globe, but Japan—t..., The Repeater Builder-made controller cable is designed to keep the analog function of the DR-1X repeater operable. When using the RB cable, if the DR-1X successfully decodes a CTCSS or DCS tone, the CTCSS detection line pulls low and disables the STM32_DVM via RXSQ on pin 3 of the Pihat., K0RQ MMDVM Repeater. Introducing North Dakota's first Tri-Mode Repeater. On 443.400+ MHz, the K0RQ repeater is capable of doing D-STAR, DMR, and C4FM. This repeater is not only designed to be experimental for me, but experimental for all users so jump on, make a QSO, and a learn from a mistake or two. This repeater is located centrally in ..., MMDVM Digital Trunk Board DMR C4FM Dstar P25 USB Repeater HotSPOT for Raspberry Pi. $ 127.79. Availability: In Stock. Shipping: Free Airmail to United States. Estimated Delivery: Apr 17 - May 10. Bulk Savings (Buy more save more) BUY 2. Discount 2%. BUY 5., One package is for conventional programming and the other for trunked programming. The trunked package is in upwards of $2,500. The conventional package is more reasonable though is still several hundred dollars. The benefit is you do not need multiple versions for each radio (unlike Motorola). This is a large and very visible forum., DMR/D-Star MMDVM Repeater 430.2875Mhz (+9 MHz) DMR - CC07 TS1 FreeSTAR : TS2 BrandMeister D-Star GB7HA C - GB7HA G Note - No Static TG set up . GB3VR. ... DMR Repeater Located in Hatfield Herts 439.425Mhz - 9MHz split CC10 TS2 BrandMiester static TG Hubnet. TS1 DMR2YSF eg to connect to Southern Fusion use TG 7041893., build a repeater or to use the radio for other purposes, like Echo-Link. In the next series of articles, I will describe how I mounted two TYT-TH9000(D) radios in a 19 inch rack shelf, built a common repeater controller interface, added supplementary cooling to the transmitter and tested the complete repeater with two different controllers., Intro. After the online resources to mount its full duplex MMDVM digital repeater based on Arduino and Nucleo STM32F4, here is the time to explain how to set up a “homemade” access point (Hotspot) MMDVM based on a few simple elements:. A “STM32Duino” board based on STM32F103 CPU, which we will program with MMDVM …, MMDVM board for Arduino Due. To build a multimode digital repeater, G4KLX have developped a complete software called MMDVM ( Multimode Digital Voice Modem ). It is compatible of main digital modes (to date, C4FM, DSTAR and DMR). This board interfac on one side transmitter and receiver and, on the second hand the Arduino Due., The Yaesu DR-1X Repeater can be easily used for D-Star or DMR if you connect an MMDVM board to the rear accessories connector. The Weston Repeater Group use four Yaesu DR1X's as four of our five repeaters, and they work well and have done for years. One is driven from a Wires-X HRI-200 and is used as our Fusion repeater, one is analogue FM on ..., Post a Comment. Note: Only a member of this blog may post a comment., Repeater still works locally with no problem at all on the TG9 group. More importantly - restarting the repeater is fine - after the restart it works locally with no problem on TG9! I have not tested the WiFi option yet, but it looks like as long as the MMDVM board gets the IP address assigned, the system works fine locally on TG9!, Tait repeater serial, HUAWEI E403, HUAWEI 450C FC302 Data radio Use SDR#(RTL-SDR) or Radio analylzer (such as CMU200) to view and adjust the TXLevel for you different repeater radio., The process will be the following: Modification of the MD380: In order to transmit M17 audio, the radio needs to be modified so the MCU has direct access to the mic without the audio being routed over the HR_C5000. Installation of OpenRTX on the MD380. Modification of the Pi-Star installation. Upgrading the MMDVM firmware to at least v1.6.0., If you love music, then you know all about the little shot of excitement that ripples through you when you hear one of your favorite songs come on the radio. It’s not always simple..., Post a Comment. Note: Only a member of this blog may post a comment., The VKRDB repeater site is operated by Bayside District Radio Society Incorporated and is located on Mt Cotton Mt. Cotton in South East Queensland The DMR repeater is a MMDVM shield on A Raspberry Pi Model 3 driving an ICOM FR-3000 analogue FM repeater. As at June 2020, the Pi-Star version is V3.4.17. and the currect version at this …, Hello, I run two GR1225 repeaters using the MMDVM modems supporting both DMR and P25. To address your deviation question, yes, set the channel deviation to 12.5 KHz. I have older versions of the STM/MMVM boards, setting the deviation on those was a bit more complex, if you have the newer version, I believe version 4 or newer, Steve and team made the process much easier., Check out this post to learn how using mmdvm and Pi-Star setup —DSTAR, DMR, and other modes. Join the DZone community and get the full member experience. After setting up an SD Card with the Pi ..., HBlink configuration as a master to allow MMDVM to connect. Run MMDVMHost, run HB_Bridge.py. DMRlink configured as a peer to connect to the IPSC connection of 3102. Run IPSC_Bridge.py. Results - MMDVM connects to HBlink and transmissions show in both HB_Bridge and IPSC_Bridge terminal windows, however, the transmissions don't seem to be making ..., How to upgrade the Firmware on the STM32_DVM_USB V1 (Green) Board. This guide assumes you are Running a Pi_Star image and that you wish to upgrade firmware on a STM32_DVM_USB. Log into Pi-Star's HTML configuration page, or connect to its IP address via SSH using a application such as PuTTY. Login Defaults -> usr:pi-star -- pwd:raspberry., The repeater ID will go away at some point. It's a leftover. DMR Gateway is designed to allow the MMDVM hotspot user to use modified TG numbers to switch networks on the fly. MMDVM_Bridge provides switching networks without a gateway., How to Install NextionDriver for Model 10 #MMDVM; How to Adjust TXLevel Match your Repeater Radio #M... Solved Problem MMDVM_Bridge DVSwitch "DMR, Master ... April 2021 (3) 2020 (2) August 2020 (1) January 2020 (1) 2019 (18) October 2019 (3) September 2019 (3), Intro. After the online resources to mount its full duplex MMDVM digital repeater based on Arduino and Nucleo STM32F4, here is the time to explain how to set up a “homemade” access point (Hotspot) MMDVM based on a few simple elements: A “STM32Duino” board based on STM32F103 CPU, which we will program with MMDVM (firmware), Troubleshooting: When accessing a repeater, be sure your power levels are set to TURBO for 7w output. When accessing a repeater from within a vehicle, use a mag mount antenna on the vehicle. If you are over 3 or 4 miles from a repeater, use a high gain antenna like a Nagoya 771. If you are using the 578 Mobile, you will want to be sure to use ..., 1. The repeater callsign is YU0UBV in Belgrade. 2. It is a MMDVM repeater. 3. they use the Brandmeister Master BM2302. 4. the repeater power is 10W. 5. the repeater frequency downlink 438.2250Mhz, and uplink 430.6250Mhz. shift is -7.6Mhz. the color code is 1. 6. On timeslot 1, you can connect TG220, and on timeslot 2, you can connect TG220010 ..., 240 -120. 94 -125. 50 -130. The STM32-DVM-MTR2K will saturate the MMDVM ADC input at signals much stronger than -30dBm. That’s ok, I did that on purpose in order to keep the signal level at the low end up a little higher in order to improve ADC resolution for weaker signals. MMDVM Motorola MTR2000 MTR2K STM32-DVM-MTR2K., K6PUW Multimode DV Repeater Welcome to California’s first Wide area coverage MMDVM Digital Voice Multimode Repeater AFFILIATED WITH THE “KINGS OF DIGITAL” Covering Los Angeles and parts of Ventura, Riverside, San Bernardino and Orange Counties Please donate to help support this special Read More ...