TH-D74
The long-awaited “APRS” & “D-STAR”.
To the dictates of the sensibility, to a new investment style.
PRS communication protocol that provides real-time data communication in both directions by applying the packet communication, corresponding to the APRS. Share of position information and local information using a GPS, such as a message exchange, communication using a variety of functions can be enjoyed in this unit alone.
Partner station location information, weather station information
Real-time information of its own station according to the GPS or the local station of the information that has been set in advance,, corresponding to the relative display compass that can be displayed at a glance the distance / direction / traveling direction / speed of movement of the remote station. It was easily recognize the position and traveling direction of the relationship between the own station. Information of the weather station can be displayed rainfall, temperature, wind direction, wind speed, barometric pressure, humidity data in color.
Station list, object corresponding
Mobile station, base station, weather stations, you can hold the station, such as object up to a maximum of 100 stations. Limit of station type to be receiving, sorting is also possible. You can also place a local information as “objects”.
Message function
It can send and receive real-time messages in the APRS operation station with each other. Panel key in the character input, or you can choose to send from the boilerplate.
QSY function
Frequency and embedded in the beacon from the APRS station, the information such as the D-STAR repeater that is receiving can set audio channel of the FM or D-STAR is the possible quick QSY. D-STAR gateway communication will also be set automatically.
KISS mode TNC
Built-in KISS mode TNC for APRS should be connected to any PC with a USB or Bluetooth, you can also operation of APRS due to the PC.
APRS menu Settings
Other SmartBeaconing also, transmission interval automatic extension, relay route automatic switching, APRS voice, etc., supports a variety of functions to expand the width of the operation.
D-STAR corresponding to the D-STAR digital amateur radio communication network with voice and data modes. Simplex communication, communication via a single repeater, such as gateway communication between the repeater, communication from local to foreign countries is also possible by a variety of operations.
Corresponding to the D-STAR which JARL promoted
Amateur radio digital communications system that Japan Amateur Radio League “JARL” is to promote, corresponding to the D-STAR. Digital unique clear voice in a variety of communication can be enjoyed.
Equipped with a DV fast data mode
Equipped with a DV fast data mode to speed up the communication throughput put the data to the audio frame. To achieve a more comfortable data communication.
Easy operation in the DR (D-STAR repeater) mode
Easily you can call the other station be selected to set the access repeater and a remote station from the list. Direct reply function as it is able to respond by simply pressing the PTT to the call of the gateway communication, also features display confirmation can function at the time of and gateway communication car chunk accessible state in the icon. Also, record the transmission and reception history of the 120 maximum of. You can also easily re-set the remote station from the transmission and reception history.
Set in the digital function menu
Charm of D-STAR to enjoy a variety of investment styles. A menu that can be switched in operation at the touch of a button operation has adopted individually.
Repeater list that can be easily updated
Latest repeater list, can be downloaded from the Web site. You can update to the latest information from the PC using a USB cable or Bluetooth or microSD card,.
Kenwood own sound quality tuning
By Kenwood own tuning with a reputation for sound quality, easy listening, you can communicate in a clear voice.
In addition to the various functions to enhance the flexibility of amateur radio, also improves voice quality.
Wide band, corresponding to the multi-mode receiver
In band B, it can be wide-band receiver. In addition to the DV / DV Fast data / FM / NFM / WFM / AM of 0.1 ~ 524MHz band, you can also receive SSB / CW. The minimum step frequency 20Hz ※ 1equipped with a fine mode to achieve a zero-in on. Bar antenna for reception of 0.1 ~ 10MHz band ※ 2 built-in. Furthermore VxV, UxU, is equipped with a 2-wave simultaneous reception function of VxU.
- ※ 1: SSB, CW, AM mode only ※ 2: SMA terminal and can be switched
Equipped with the IF receive filter to comfortable reception
SSB, IF receive filter to reduce the proximity interference signal at the time of CW reception is possible is less reception of interference with a good skirt characteristics. To achieve the unprecedented comfortable reception environment. (Selection SSB: 2.2 ~ 3.0kHz, CW: 0.3 ~ 2.0kHz, AM: 3.0 ~ 7.5kHz)
IF output mode
Possible output center frequency 12kHz, the IF signal bandwidth 15kHz to the USB port. You can do various kinds of data received in the smart PC or the like.
Speech processing by the high-performance DSP
Equipped with an audio equalizer that can be set reception EQ5 band (0.4 ~ 6.4kHz), send EQ4 band (0.4 ~ 3.2kHz) respectively. You can sound quality adjustments according to your preference.
Visibility, and ease of use, the tough robustness compatibility.
Visibility, attention also to the ease of use
TFT transflective color LCD adopted. By reflected light or backlight, and has realized the visibility was excellent even in bright places such as sunlight under even in a dark place. In addition to the cross of the key structure, the key pad employs a high operability flat thin key top. It is both high-quality look and feel.
Pop-up screen can be seen at a glance
In order to facilitate understanding of the pop-up screen to visually, APRS is blue, D-STAR has adopted a green background color.
Tough dust and jet-proof performance to meet the IP54 / 55 standards
It has been improved dust and jet-proof performance assumes the harsh conditions. It is heavy duty specification that can be operated safely in dusty outdoor and sudden rainfall.
Built-in GPS
Equipped with a high performance GPS patch antenna on the upper surface of the main body. The nearest repeater search of D-STAR, GPS logger function to save the movement locus, also equipped with automatic time correction function.
Standard corresponding to the rich interface
Was the standard corresponding to the Bluetooth (HSP, SPP).microSD / SDHC memory card, also Micro-USB terminal equipped, enables the operation which made full use of the interface by the flexible cooperation with the PC.
More convenient in the free software for PC
Settings such as memory can be managed on the PC, “D74-MCP※ 3 “, it can be freely changed the frequency of this unit from the PC, “D74-ARFC ※ 3 you can use free software, such as”.
- ※ 3: MCP-D74, ARFC-D74 can be downloaded from the Kenwood Web site after the product launch. (It will be published before the end of August)
Other features
- 1000 memory channel
- 1500 repeater list
- Kanji, Katakana display
- 4 stage transmission output switching of (5/2 / 0.5 / 0.05W)
- Voice Recording function (microSD / SDHC)
- Voice messages (4ch)
- Voice guidance
- GPS receiver mode
- Communication log (microSD / SDHC)
- Scan (band, MHz, program, memory, memory group, CALL, priority, D-STAR repeater)
- Memory channel lock-out
- 50 waves CTCSS / 104 DCS code
- Cross tone
- Meter type switching
- Frequency direct input
- DTMF memory (1 0 ch)
- EchoLink dedicated DTMF memory (10ch)
- FM radio mode
- Empty line canceller (Train channel)
- NAVITRA correspondence
- Customizable power-on message and bitmap image
- Waypoint output
- Date and time display
- Frequency step switching
- shift
- VOX
- Auto repeater shift
- monitor
- Auto power off
- Battery Save
- Key lock
- APRS lock
- Memory shift
- Key operation sound ON / OFF
- Programmable function keys
- Display language switching
- Microphone sensitivity switching
- LCD Dimmer 3 stage
- Reset (VFO, Partial, Full)
TH-D74 accessories
Antenna, lithium-ion battery (7.4V / 1800mAh), AC adapter for charging, belt clip, instruction manual, warranty card
- APRS * ® (The Automatic Packet Reporting System) is a registered trademark in the United States of WB4APR (Mr. Bob Bruninga).
- EchoLink * ® is Synergenics, a US registered trademark of the LLC.
- D-STAR * ® is a registered trademark of The Japan Amateur Radio League.
- * NAVITRA is a registered trademark of JVC KENWOOD Corporation.
- * SmartBeaconing ™ is available from HamHUD Nichetronix company.
- Bluetooth * ® word mark and logos are registered trademarks owned by Bluetooth SIG, Inc., JVC KENWOOD Corporation uses on the basis o
Suggested retail price: 72,800 yen (excluding tax)
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Antennas
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16-year-old radio amateur Julián Fernández EA4HCD was interviewed by the newspaper El Mundo Chronicle about his FossaSat-1PocketQube satellite. A Google translation of an extract of the articlesays: …at the age of seven someone told him about the International Space Station and, since then, he has not stopped fantasizing about the idea of a voyage safe from gravity. “Unlike the […] Read more
IARU was represented at the meeting of CEPT Project Team A (responsible for some aspects of the CEPT position for WRC-19), held in Prague from June 17-21. The IARU Region 1 website reports: Of particular interest were discussions on two proposed Agenda items for WRC-23, concerning the sharing of the 1240-1300 MHz band with the Galileo […] Read more
The Planetary Society’s citizen-funded LightSail 2 solar-propelled spacecraft is set to launch on June 22 on board a SpaceX Falcon Heavy. It will attempt the first controlled solar sail flight in Earth orbit. LightSail 1 successfully completed its test flight mission in 2015. LightSail® is aimed at testing “solar sailing” technology for CubeSats, which comprise many Amateur Radio satellites. […] Read more
KD9FQC’s Tinker Toy Antenna, Field Day plans. KD9FQC’s Tinker Toy Antenna, Field Day safety with Gordo, operating FT8 with Valerie, George Thomas’ Field Day plans and chatroom questions with Amanda! Hosts: Bob Heil, Gordon West, George Thomas, Don Wilbanks, Valerie Hotzfeld, Amanda Alden Read more
A 62-year-old Union Dale, Pennsylvania, radio amateur — Leland L. “Lee” Parsons III, N3LPJ — was killed on June 14 during a tower installation project when a tower section he was working on collapsed off State Route 2069 in Gibson Township. Authorities said Parsons was apparently attempting to attach a guy wire to the bottom tower […] Read more
A New Jersey radio amateur, David S. Larsen Sr., WS2L, of Highland Park, will surrender his Amateur Extra-class license and pay a $7,500 civil penalty as part of a Consent Decree with the FCC to settle an enforcement action. An FCC Enforcement Bureau Order released June 18 said Larsen violated the Communications Act of 1934 and Part 90 rules […] Read more
Authorities say an emergency communication tower near the Oregon coast has been destroyed, causing over $60,000 in damag OS BAY, Ore. (AP) — Authorities say an emergency communication tower near the Oregon coast has been destroyed, causing over $60,000 in damage. The World reports the Coos County Sheriff’s Office is offering a reward for the […] Read more
At the request of authorities in India’s Gujarat Province, Rajesh Vagadia, VU2EXP, and his niece Shyama Vagadia, VU3WHG, deployed on June 12 to Porbandar to offer emergency communication support in the event the Category 3 Cyclone Vayu struck Gujarat. On short notice, they installed HF and VHF stations, equipped with digital communication. Rajesh Vagadia said […] Read more
To strengthen the relationship between Thai and Japanese amateur radio operators representatives of the JAMSAT group of Japan have travelled to Thailand to visit the satellite ground station HS0AJ. They will operate from the Ground Station of the Radio Amateur Society of Thailand under the patronage of His Majesty the King (RAST). On the occasion […] Read more
ARRL has produced and is making available the downloadable video, “What is Amateur Radio?” to use at club meetings and at public events, including ARRL Field Day, June 22 – 23. A PowerPoint version is also available for members to download. Recognizing the tremendous need and desire for such a product among ARRL members, ARRL’s Lifelong Learning Department initiated […] Read more
Three BIRDS-3 satellites with Amateur Radio payloads are scheduled to be deployed from the International Space Station on Monday, June 17. The BIRDS-3 constellation includes CubeSats from three countries: They are Nepal’s first satellite, NepaliSat-1; Uguisu from Japan, and Sri Lanka’s first satellite, Raavana-1. The primary mission of the BIRDS constellation is to provide ciphered short messages […] Read more
The ARRL Foundation has announced the 2019 recipients the scholarships it administers. The ARRL Foundation General Fund Scholarship, $2,000 each Marisa K. Allyn, KF7NER, Sammamish, WA Jonathan L. Doorn, KG5CUK, White Rock, NM Ian J. Hofbeck, KG7GDZ, Lynnwood, WA Shefali K. Janorkar, KD2FIW, Staten Island, NY Jonathan D. Williams, K5DVT, Huntsville, AR John T. Wirt, KD8SWT, Howell, MI The ARRL Rocky Mountain Division Scholarship, $500 Gavin J. Kik... Read more
GIBSON, Pa. — One person is dead after falling while trying to make repairs to a ham radio in Susquehanna County. The coroner tells Newswatch 16 the person was trying to hook up a guy wire when the tower collapsed. Officials have not yet released the name or age of the victim. An autopsy […] Read more
Kids Day is Saturday, June 15 — an opportunity to get youngsters on the air to share in the joy and fun that Amateur Radio has to offer. Kids Day gets under way Saturday at 1800 UTC and concludes at 2359 UTC. Sponsored by the Boring (Oregon) Amateur Radio Club, this event has a simple exchange, suitable for […] Read more
The International Amateur Radio Union Region 1 Monitoring System (IARUMS) reports a “new kind” of over-the-horizon (OTH) radar on 20 meters. The intruding signal, which appears to be emanating from the Far East, was monitored during May on 14.140 – 14.150 MHz. Another Chinese wideband OTH radar has been showing up on 15 meters, with a signal […] Read more
Meeting right after Dayton Hamvention® at the University of Dayton on May 20, the ARRL Board’s Executive Committee (EC) adopted a motion to establish an Ad Hoc Committee on Communications with ARRL Members. The panel would review ARRL communications with members and members’ perceptions to “consider areas needing enhancement, [and] ways in which such communications […] Read more
WSJT-X developer Joe Taylor, K1JT, has tentatively concluded that there are good reasons to use both FT4 and FT8 in ARRL VHF contests. The latest beta version of FT4 was not available for the event, but Taylor noted that FT4 will be available for future contests. (the current -rc7 beta version will not be usable […] Read more
