Відео

I am not hearing anyone on 224.096Mhz DAB in Northern Ireland and I do have an antenna attached as I have access to 174.928-239.200Mhz, actually the receiver is a TECHNICS STG-1000

I don't know how long the batteries last but most radiosondes shutdown 8 hours and 30 minutes after the computer on board detects it's falling. There's a burst timer on the sonde hub site when you click on the parachute along with the attitude and speed. I've seen it work on my first capture. It shut off at 8 hours and 30 minutes or so. Signed the guy from Chickasha in the video.

Hey Bob !! 73 de Scott kd5njr

Promo SM

176-240Mhz is used for DAB in the United Kingdom on QAM possible QPSK and is used by the BBC and the Independent Broadcasting Companies so no go.

Humpty dumpty

Thank you! I always enjoy Carl's presentations. 73 de WD5M

Loser!

49:01

I have had a IC-7300 for a the past 5 years and in the city where I live I have lots of interfering signals. In sept 2022 I purchased a Yaesu FT-DX10 and WOW this radio is so quiet in my city. I can do things that we impossible with my 7300. I can pull a signals out closed to another with lots of noise no problem. My 7300 would alert me of overloads at times, were my FT-DX10 just handles and separates the signals My Yasue FT-DX10 has really made my armature radio local & DX contacts so enjoyable. The FT-dx10 is a amazing HF Radio. Yaesu really hit a home run with the FT-DX10.

Great presentation!

I appreciate you not editing the failed attempt out. It is a beneficial lesson.

Impressed by the integrity of your company at solutioning by searching existing offerings in the market first and additionally honoring the integrity of NDAs and respect for proprietary IP. Super interesting company and what you are doing in the market!

Thanks for making this available!

Live streamer is Brian Alford, N5BFK, in Edmond.

I missed the beginning of this when it was live on Zoom. I wonder if KA5HFE remembers that Shakespeare themselves realized that fishin' poles made great antennas with a few extra parts? They still have a full line of antennas aimed at the boating community, including for CB and Marine HF.

KI5HFN, watching.

Thanks Mark & Ed

I certainly enjoyed being there although I couldn't stay for the entire meeting.

Thanks for posting this recent talk. I am inspired to build a few different ones :) Ed F. Knows his shtuff. He does GREAT work with those students & to imagine all those new HAMs coming out of his class is a great boost to the hobby! 73 ~C~

I’m learning a ton

Thanks for posting these classes

Thanks for posting these. I’m just starting out, and this is perfect

Thank you, Rob. I really like your penchant for “…comparing radios…”. I have been following your work since those R4C articles in hr. 73 KD9EHK

Check out my test of Hermes Lite 2 SDR for really amazing -74 dB transmitted intermod distortion: ua-cam.com/video/vV4kfHf1AL4/v-deo.html With puresignal I get -49 dB PEP IM3 at 800W with LDMOS amp on 80 meters. Not bad for $250 radio! 73, KG4ODA.

Did Sherwood ever test a yeasu FT102? I am going to search around. I know that 24v rx makes it on great receiver.

This was a treat and brings back memories of a lot of my technical chops that have faded with lack of use. I still have all the lab gear but in the last 20 years, I have focused on pro audio equipment design and testing after a 25-year career in the recording industry. I moved from the US 21 years ago and was lucky enough to get a deal on shipping about 600 lbs of test equipment 9000 miles. Currently, I have only a K2 Elecraft and Kenwood TS-50s and living in the city center of an RF Noise explosion so most of my operating is battery operation when out in the woods at the country cabin during the summer with wire antennas. This talk really got the RF testing juices flowing again and do some experimenting. Rob is a treasure and a legend in performance testing as it applies to amateur radio.

This is education.. Thank you.

Awesome project!

first

I enjoyed Gordo thanks

Thanks Rob

Looks like my place

Who can I talk to about working Icom 7300, data modes using WSJT-X, and windows 10. KA0YLP

Who can I talk to about working Icom 7300, data modes using WSJT-X, and windows 10. KA0YLP

Posting these to UA-cam is such a good idea, newer hams can catch up on years of amazing presentations and experience at their own rate.

Damn... if you play it at 0.75 or 0.5 speed it's ok. Stop that dudes coffee! :D

We have EchoLink on our repeater in Del City. It is 146.7 MHz, -600, PL 103.5.

Hey I’m in there 🤪

I’ve never been in a scenario where I needed to ground an antenna, that having been said I’ve never did anything with HF before either

Good stuff!

Very cool!

Very good report and thank you Rob! It would be great if the OEM's use the newer 65 volt LDMOS and operate them closer to their IMD sweet spot (backed off from the PEP at P-1dB. of the device) Bob N3SWL

I really enjoyed this video, Very informative! Thanks Rob Sherwood. I've been big into large wire beams on 40m. I do put out a big signal. :). Because of that I really want to get a new rig that has a clean transmitter and a clean amp. I was considering a SS amp now I'm not so sure. On my list to get an HF transceiver id the Anan 7000dle Mark II. Second is the FTDX-101d. One receiver spec I'm studying is Blocking. So the FTDX-101D has a much better blocking number than the Anan 7000dle. I wonder f Ill notice any difference? Another comment: I wonder how the VHF spec on the IC-9700 vs the new IC-705 will be?

I always get great comments over the air with my ANAN 7K using Pure Signal and the Amp. Third order IMD's down to -65.. Wish the other radio manufactures will start paying attention to clean up the ham bands.. 73'

Thank you to all for the update and the time put forth to present it. I would hope however we can all agree that the DX Code Of Conduct would suggest we call it COVID19.

Great presentation!

It’s awesome getting to hear about the future of the repeater as well as what the plan is if power is lost, I’m sorry I got to miss the meeting Saturday but I’ll be sure to attend via zoom in the future! 73