amsat-bb Yaesu FT-736R versus newer transceivers amsat-bb Yaesu FT-736R versus newer transceivers Dave Mann Sat Apr 29 15:30:20 UTC 2017. Previous message:.
Next message:. Messages sorted by: Good info! Every so often I go through an evolution saying to myself and XYL, 'maybe I need a 'better rig'.' I went through that when I sold my HW-100 ? about 50 years ago. I've learned from good advice like that received here to stick with what works best.
My two optimized Kenwood TS-830's are good examples of that. Yes the FT-736R has limitations on the CAT instruction set and interfacing.
However, by using TRX-Manager, PSTRotator and gPredict in concert everything is working out so far - for sure, my 27' monitor keeps everything in view. Best 73 Dave N4CVX Sent from my iPad On Apr 29, 2017, at 10:09, James Duffey wrote: A look through the ARRL product reviews should tell you what you need to know in an objective fashion. Having said that, sensitivity is probably not the best parameter on which to judge a potential transceiver. Poor sensitivity can be cured with a preamp. Not so poor strong signal handling performance or ergonomics. I have a TS2000X, which is only mediocre in sensitivity and strong signal handling capability, but has good ergonomics.
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It is useful as an HF backup rig and I use it for VHF/UHF roving, at which it excels. It also has a 1296 option. With an outside antenna the notorious birdie is not a problem. All of the all-mode VHF transceivers have their pluses and minuses. Some are more show stoppers than others. These kinds of rigs are compromises and once one decides on what compromises one can make, selection is easier. The highest performance option, a pair (or more) of transverters, can be a task to integrate, is expensive, has primitive ergonomics, and requires two IF transceivers for satellite work.
Let us know what you decide. — Duffey KK6MC On Apr 29, 2017, at 8:50 AM, Dave Mann wrote: Please help me out with critical comments about receiver sensitivity vis-a-vis the venerable FT-736R and latest 2-m/70-cm all-mode transceivers best suited for AMSAT work. Thanks in advanceDave N4CVX Sent from my iPad Sent via AMSAT-NA makes this open forum available to all interested persons worldwide without requiring membership. Opinions expressed are solely those of the author, and do not reflect the official views of AMSAT-NA.
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README.md Ham Spot Inc HS-736USB FT-736R to HRD USB Interface The Yaesu FT-736R remains a popular satellite ground station transceiver. However some modern computer software is not compatible with the CAT interface on the FT-736R.
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Ham Radio Deluxe, in particular, does not support the FT-736R. Ham Radio Deluxe does support the Yaesu FT-847 which has similar features. We can solve this incompatibility by programming a CAT interface to present a FT-847 to the PC and emulate the new commands not supported on the FT-736R. Features not present on the FT-736R are ignored. Memory channels are not supported and the radio must be set to VFO, also satellite mode must be set to VFO, before enabling CAT control of the radio.
1240 MHz is mapped to 240 MHz because the FT-847 does not have 4 MHz digits. Credits The concept for this interface was developed by Dave, KA6BFB in 2010. He developed a proof of concept in software using VB and Windows.
It was however quite cumbersome and used 3 virtual serial ports to work with HRD. But an excellent proof of concept nonetheless.
This software can be found here: The hardware version was developed by Chuck, N6BIL. The source code is GPL licensed and the Eagle CAD files were published along with the code. The hardware CAD files, source code and binaries can be found here: Ham Spot Inc based the HS-736USB on their great work and thanks them immensely for their hard work on solving a challenging problem!
Cat Software Yaesu Ft 736r Review Manual
The goal of Ham Spot Inc is that if this interface is popular we will develop similar interfaces for other older rigs which are also not supported by HRD. Specifically in mind are the FT-757GXII, FT-890 and various Icom and Kenwood radios. There will likely be firmware updates to this hardware available on the website in the future. If you have a PIC programmer the chip has been socketed to allow you to flash new firmware or easily replace the device.
If not, there will be made available an inexpensive preprogrammed chip that you can plugin to upgrade the firmware or convert the FT-736USB to another model Yaesu rig as they become supported.
Up for sale is a Yaesu FT-847 satellite transceiver with lots of extras. A list of all included accessories is shown below. FT-847 Transceiver with original box Serial Cable Packet Cable Power cable MH-31 hand mic Quick setup guide and printed manual in a binder FP-757GX switching power supply (this power supply needs to have Anderson power poles installed. It was originally indented for the FT-757GX) FC-20 Automatic antenna tuner (I do not have the cable for the radio to the antenna tuner) All Items are used and in good condition. Price is $1350 OBO. No international shipping.
Description SatPC32 is written and supported by Erich Eichmann, DK1TB. He has kindly donated all the proceeds from the software to AMSAT to support amateur satellites.
Software is not provided electronically directly through the AMSAT store at this time. We are working on providing automatic downloads. Please download the software from Erich’s website: www.dk1tb.de/indexeng.htm The download is publicly available, and may be done at any time. Updates and patches are freely available as they are developed. You may install the downloaded software without having a registration number.
Most features will be fully available in the demo version. When you purchase SatPC32 by Electronic Download, AMSAT-NA will send you a license key to use to unlock all the features of the software. Normally this will be sent within one or two business days, but there may rarely be longer delays due to holidays or other AMSAT activities. The programs SatPC32.Exe (in the following: SatPC) and Wisat32.Exe (in the following: Wisat) calculate the tracks of earth orbiting satellites. The calculations are based on the SGP4/SDP4 model, the results therefore are highly accurate.
Both programs are included in the SatPC32 program package. SatPC32ISS.Exe (in the following SatPCISS) is a special version of SatPC32 for radio amateur operation via the ISS.
The program provides “In-Band” frequency control with several radios. While “normal” amateur satellites use different bands for uplink and downlink both frequencies of the ISS are in the 2m band. The “normal” SatPC32 switches the radios into satellite mode to allow full duplex operation (transmitting and receiving at the same time). Therefore uplink and downlink must be in different bands.
SatPC32ISS is also included in the SatPC32 program package. SatPC displays the audibility-areas of one or several selected satellites within a world-map and shows the results in text-lines below the map. Wisat represents the satellite positions in real-time in list-form. Both programs update their calculations continuously in steps of one second. The differences between SatPC and Wisat result from the absence of the graphic output in Wisat. SatPC and Wisat steer the antennas and radio frequencies (CAT) for Doppler correction. Both programs allow multitasking with programs that provide data transfer with satellites like Wisp32.
SatPC32 and Wisat32 then will take over the antenna- and frequency-control. The automatic switching on a satellite works synchronized with the data-program. The automatic Doppler correction also works with ssb transponders like FO-20, FO-29, AO-10, AO-40. The antenna-control steers the AMSAT Rotor Interface and the ready-appliance IF-100.
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