开云体育

ctrl + shift + ? for shortcuts
© 2025 开云体育
Date
Re: Is this GPS suitable
Bob Ok, I couldn't resist googling for the datasheet. See http://www8.garmin.com/manuals/GPS16HVS_TechnicalSpecifications.pdf . It does appear to say on page 7, that you would by default see a 100ms
By Hans Summers <hans.summers@...> · #493 ·
Re: U QRSS Upgrade Received Safely.
It is very common on WSPR to see a double decode several db down on a very strong signal. It is particularly likely when you are swamping your own receiving system with a local mept like this. It
By Tony Volpe <tony.volpe.1951@...> · #492 ·
Re: Is this GPS suitable
Hi Bob On the face of it, it looks potentially suitable, because it does claim to have a 1pps output and a serial output supporting NMEA-0183 and the required $GPRMC sentence. The question I would
By Hans Summers <hans.summers@...> · #491 ·
Re: U QRSS Upgrade Received Safely.
It may be related to the sound card but that would also show up on off air signals from other stations, particularly on strong signals. I have found that sometimes 100Hz sidebands may be produced if
By "ferrymanr" <g4bbh@...> · #490 ·
Is this GPS suitable
I am looking for a GPS unit to use with the Ultimate MEPT, would this one be
By Bob <vk7zl@...> · #489 ·
Re: QRSS transmitter 160m band, help needed please
: What frequency band is "medfer" ? Generally considered the US AM broadcast band, some 530 - 1710 KHz. Due to antenna and efficiency limitations, most MedFER (Medium Frequency Experimental Radio)
By "Facility 406 DM09" <facility_406@...> · #488 ·
Re: U QRSS Upgrade Received Safely.
Thanks Stephen. Since last post, WSPR now up and running (across the shack). QRSS into dummy load and RX made deaf. No padding to call sign field was needed, only 5 characters G8OQW entered. WSPR
By "David Barber" <david.barber@...> · #487 ·
Re: U QRSS Upgrade Received Safely.
David, I believe that Hans put that there because some people found the original cursor a bit difficult when inputting parameters. So that gives you a choice. Thanks for the feedback, it really is
By Stephen Farthing <squirrox@...> · #486 ·
U QRSS Upgrade Received Safely.
Hi Stephen, V1.04 upgrade received and installed all OK. Many thanks. Worked first time with my GPS, frequency, locator and time all correctly updated. There seems to be an additional Menu setting
By "David Barber" <david.barber@...> · #485 ·
Mistake in 160 meter instructions
Guys, I made a mistake in the slip telling you about the 160 meter output filter. C5 and C8 should be 820pF and C6 and C7 should be 2.2nF. So if you have made up the kit please swap C6 and C8 and all
By Stephen Farthing <squirrox@...> · #484 ·
Re: QRSS transmitter 160m band, help needed please
Thanks for the info Philip, sorry for the extra L in the last post ;) 73 Colin
By "woodiescbj" <jobaco@...> · #483 ·
Re: QRSS transmitter 160m band, help needed please
Colin There isn't much activity at the moment on 160 but Chris on this link operates a 160 grabber quite often and being the nice guy he is, will set up his grabber if you contact
By "Philip" <pcteee@...> · #482 ·
Re: QRSS transmitter 160m band, help needed please
Colin, Thanks for the note. To answer your questions in reverse order :- I plan to do another 200 kits and have all the parts apart from some of the processors, which i used to recover from the
By Stephen Farthing <squirrox@...> · #481 ·
Re: QRSS transmitter 160m band, help needed please
Thanks for the link Steve. 73 Colin
By "woodiescbj" <jobaco@...> · #480 ·
Re: QRSS transmitter 160m band, help needed please
Hi Steve, I spotted the mistake, but Phillip G4JVF was the first to publish it, so the thanks should go to him, on a different subject I now have the Ultimate QRSS chip V 1.3 (thank you to you and
By "woodiescbj" <jobaco@...> · #479 ·
Re: QRSS transmitter 160m band, help needed please
Hi Guys, There is a top band digital group here :- TBD160@yahoogroups.**com <TBD160%40yahoogroups.com> but not much traffic. 73s steve
By Stephen Farthing <squirrox@...> · #478 ·
Re: QRSS transmitter 160m band, help needed please
Hi Phillip many thanks for your reply, yes I had spotted the mistake on the slip of paper I have built a couple of BPF's so it didn't look right ( note to Steve the info about the wrongly labled slip
By "woodiescbj" <jobaco@...> · #477 ·
Re: QRSS transmitter 160m band, help needed please
Colin, Thanks for the note on the mislabelled caps. You are right. I'll correct the slips. 73s Steve
By Stephen Farthing <squirrox@...> · #476 ·
Re: QRSS transmitter 160m band, help needed please
Hi Colin I built one and it works very well...running last night in fact... Not had any problems with the osc starting up though.. Few things I timkered with.. I couldnt get enough FSK shift with
By "Philip" <pcteee@...> · #475 ·
Re: QRSS transmitter 160m band, help needed please
Hi Kevin, thanks for your reply, yes its the old one I have always wanted to do something on top band I thought this would be a good way to start, I will give your idea a try this weekend. Vy 73 de
By "woodiescbj" <jobaco@...> · #474 ·