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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***google translate
Antennas
Following the direction of the ARRL Board of Directors, ARRL has incorporated changes to the rules for all ARRL-sponsored contests and DXCC, prohibiting automated contacts. These changes also apply to the Worked All States (including Triple Play and 5-Band WAS), VHF/UHF Century Club, and Fred Fish, W5FF, Memorial awards. The changes are effective immediately. A […] Read more
As announced in September 2019 QST – page 86 This year marks the 150th anniversary of the birth of the League’s first president and cofounder, Hiram Percy Maxim (HPM), W1AW. HPM was born on September 2, 1869. As we have done with earlier birthday milestones, ARRL is again holding an operating event to celebrate HPM’s legacy. […] Read more
Sweden’s Alexanderson Alternator station SAQ says it received 438 listener reports — “an incredible amount” — for its June 30 Alexanderson Day transmissions. The list included five reports from the US and three from Canada. The historic electro-mechanical transmitter, which dates back to the 1920s, is fired up periodically throughout the year on 17.2 kHz. “We are very thankful […] Read more
Here we take a look at how to listen to the Brazillian Pirates on UHF SatCom Read more
An FCC Report and Order (R&O) released August 2 in the so-called “small satellite” rulemaking proceeding, IB Docket 18-86, failed to address concerns expressed by ARRL and AMSAT. Both organizations filed comments on the FCC Notice of Proposed Rulemaking (NPRM) in the proceeding last year, seeking changes in the FCCs interpretations and procedures affecting satellites operating on Amateur Satellite […] Read more
The final European Conference of Postal and Telecommunications Administrations (CEPT) Conference Preparatory Group (CPG) meeting prior to World Radiocommunication Conference 2019 (WRC-19) gets under way on August 26. Action at that gathering will determine whether a French proposal to have WRC-23 study sharing 144 – 146 MHz with the Aeronautical Mobile Service will be adopted […] Read more
In Australia, Roland Lang, VK4FB, and Stefan Durtschi, VK4CSD, completed what is being claimed as the world’s first FT8 contact on 122 GHz. The distance spanned during the August 11 contact was 92.08 kilometers (approximately 57.1 miles). Signals were –17 dB on one end, and –20 dB on the other. Earlier this summer, VK4FB and […] Read more
The FCC’s Wireline Competition Bureau and its Office of Economics and Analytics have sent a report to Congress that recommends that the Commission considers designating 988 as a three-digit emergency code for a nationwide suicide prevention and mental health crisis hotline. The report, mandated by the National Suicide Hotline Improvement Act of 2018, finds that such a […] Read more
the Chinese DSLWP-B (LO-94) satellite that had been in lunar orbit provided a profile of Earth’s HF spectrum as seen from the moon. The microsatellite subsequently was crashed into the moon’s surface after having completed its mission. DSLWP stands for “Discovering the Sky at Longest Wavelengths Pathfinder.” Among other things, DSLWP-B was designed to test […] Read more
The Nashua (New Hampshire) Area Radio Society (NARS) will conduct a free Ham Bootcamp at the ARRL New England Division Convention next month to encourage and assist new and inexperienced radio amateurs in becoming more active and engaged in the various facets of ham radio. NARS, the Dayton Hamvention® Club of the Year for 2019, operated a […] Read more
At its July meeting, the ARRL Board of Directors resolved that “at the appropriate time” ARRL will oppose a proposal by France to include 144 – 146 MHz among spectrum to study for non-safety Aeronautical Mobile Service applications with an eye toward sharing the spectrum with the Amateur Services. The action came as the Board met July […] Read more
The latest IARU-R1 Monitoring System newsletter reports every day for the past 5 years licensed radio amateurs from Ukraine and Russia have been insulting each other on 7055 kHz LSB Playbacks of Broadcast Station transmissions have also been heard on the frequency. The International Amateur Radio Union Monitoring System (IARUMS) Region 1 July 2019 newsletter […] Read more
Applications for the 2020 ARRL Foundation Scholarship Program will be accepted between September 1 and December 31, 2019. All applicants must be FCC-licensed radio amateurs, and many scholarships have other specific requirements, such as intended area of study, residence within a particular ARRL Division, Section or state, and license class. Applicants should review the scholarships and check off […] Read more
The FCC this week issued a $39,278 Forfeiture Order against Ocean Hinson of Surry County, North Carolina, for intentional misuse of a local public safety radio communications network, in violation of §301 of the Communications Act of 1934, as amended. “Mr. Hinson impersonated first responders in unauthorized radio communications on Surry County’s licensed public safety frequency,” the […] Read more
By Hugh SchofieldBBC News, Modane, France Napoleonic semaphore was the world’s first telegraph network, carrying messages across 19h-Century France faster than ever before. Now a group of enthusiastic amateurs are reviving the ingenious system. Before the web, before the computer, before the phone, even before Morse code, there was le systeme Chappe. Not for the first […] Read more
Members of the Coconino County Amateur Radio Club (CARC) in Arizona activated on July 21 as winds accelerated the Museum Fire beyond 50 acres, triggering the activation of the county’s Emergency Operations Center (EOC). Members of the club, many of them ARES volunteers, staffed the EOC. The fire appears to have been named for its […] Read more
