XPost: rec.radio.amateur.moderated

Amateur/Ham Radio

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Dude better not come to my house on his fox hunt.

Posted: 23 Dec 2021 05:04 PM PST https://www.reddit.com/r/amateurradio/comments/rna88l/dude_better_not_come_to_my_house_on_his_fox_hunt/

submitted by /u/FjohursLykkewe
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Got myself a real SWR/Watt meter that can measure SSB up to 2 meters from
HRO

Posted: 23 Dec 2021 09:19 AM PST https://www.reddit.com/r/amateurradio/comments/rn0ga5/got_myself_a_real_swrwatt_meter_that_can_measure/

submitted by /u/joe_rt
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That ham radio Mother lode is about to hit the sky!

Posted: 23 Dec 2021 08:15 PM PST https://www.reddit.com/r/amateurradio/comments/rndqit/that_ham_radio_mother_lode_is_about_to_hit_the_sky/

submitted by /u/HamRadioPrep
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Fired up the FT102 to listen around today. My multi band inverted v fell
down :( working on getting my upgrade so I can AM it on 75m with my amp
supply LK-550.

Posted: 23 Dec 2021 12:18 PM PST https://www.reddit.com/r/amateurradio/comments/rn4cf3/fired_up_the_ft102_to_listen_around_today_my/

submitted by /u/jonblaze02302
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Yaesu FT-900 Alternative Separation Kit project WIP

Posted: 23 Dec 2021 06:44 PM PST https://www.reddit.com/r/amateurradio/comments/rnc32b/yaesu_ft900_alternative_separation_kit_project_wip/

submitted by /u/CircuitCardAssembly
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Im a bit overwhelmed trying to start

Posted: 23 Dec 2021 11:09 PM PST https://www.reddit.com/r/amateurradio/comments/rngpba/im_a_bit_overwhelmed_trying_to_start/


I have been interested in amateurradio for the past few months, I first
gained interest because my school has a club, it hasnt met at all this
year, but Im hoping it will next year (Im a freshman studying computer
science) Im mostly interested in the homebrew stuff, but I dont have any specific projects in mind
at the moment my only goal is to contact my friend, she lives in a foreign country so, atleast to my understanding this is a non-trivial task, she has been working on it, I dont know how far shes gotten into it, but shell have
her license before me, Ive been adviced to use the no nonsense technician
study guide and Im trying to start as simple as possible
Im a bit intimidated by trying to buy a radio, Im a broke college student
so my budget is really max $100 .
this video helped me atleast figure out what questions I think I should be looking for at a high level mostly like who I want to contact, and as my
goal is my friend it requires a lot of range, im in the united state, and I believe shes in spain, so around 5,000 miles away. and the video made me realize Id need either High frequency or digital
Thanks submitted by /u/Mission-Guard5348
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Plaintext firmware dump for Yaesu FT-70D

Posted: 23 Dec 2021 03:50 PM PST https://www.reddit.com/r/amateurradio/comments/rn8s8g/plaintext_firmware_dump_for_yaesu_ft70d/


I got bored yesterday so I started looking into what itd take to customize
the firmware on my Yaesu FT-70D. /u/fuki__ posted some interesting data
here for the FT1DR but it didnt sound like they were able to dump the
device firmware. I looked at my FT-70D which seems to be a very similar CPU
(if not the same), and managed to get a plaintext dump from their updater.
Ill post a blog post/guide when I get a chance but tl;dr they embed the firmware image in the EXE resources and obfuscate it.
The obfuscation looks sort of annoying so I didnt reverse engineer it yet
but will provide a tool when I get around to writing the blog post.
Anyways, heres the firmware: https://mega.nz/file/RNxSGaQC#ghU5eCR6IwAtOIyuRdMC_gkBxAr-_oLwXGcCwRctw6g
IDA Pro has a loader for this CPU (Renesas H8SX, Advanced mode). The first
few words seem like theyre part of a vector table. Jump to the first one as
an address, define it as code, create a function, and IDA should start analyzing everything. That should be address 0x142a. submitted by
/u/anxxa
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Cheap laptop power supply wipes out my HF signal. Now I see why they say
dont buy cheap Off brand electronics! Top - cheap power supply plugged into outlet. Bottom - laptop power supply unplugged.

Posted: 23 Dec 2021 09:59 AM PST https://www.reddit.com/r/amateurradio/comments/rn1chu/cheap_laptop_power_supply_wipes_out_my_hf_signal/

submitted by /u/bananaphoneMan
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I'm new to amateur radio, can somebody help me identify what software is running in this photo of an FT8 demo station I took on Field Day? WSTJ-X is obvious but what's the second program that says "Dupe"?

Posted: 23 Dec 2021 09:29 AM PST https://www.reddit.com/r/amateurradio/comments/rn0nuo/im_new_to_amateur_radio_can_somebody_help_me/

submitted by /u/yatpay
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Bose 700 to Icom IS 5100A

Posted: 24 Dec 2021 03:21 AM PST https://www.reddit.com/r/amateurradio/comments/rnkde9/bose_700_to_icom_is_5100a/


Has anyone successfully connected a Bose 700 headphone to an Icom ID-5100A? Both have Bluetooth capability. And, if you did, how did you manage PTT or
VOX? submitted by /u/Spiritual-Goat-6409
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30 through 10 meters Open Once Again, Thursday 23 Dec 1700Z

Posted: 23 Dec 2021 09:04 AM PST https://www.reddit.com/r/amateurradio/comments/rn0411/30_through_10_meters_open_once_again_thursday_23/


Solar Flux is 134 & Sunspots are 137. The MUF (Maximum Usable Frequency) is already 29.32 MHz, so today is going to be like yesterday, if not even
better. Im currently on 12 meters working on picking up states but Europe
is strong into Utah this morning. Im hearing Africa and South America on 10 meters. 15 meters is open everywhere. 73 and enjoy the great propagation!
de K7UV submitted by /u/zfrost45
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Unsure Quite What To Do

Posted: 23 Dec 2021 12:38 PM PST https://www.reddit.com/r/amateurradio/comments/rn4riq/unsure_quite_what_to_do/


So, this past Saturday I tested and got my Technician class license.
Id like to go ahead and get a good transceiver to be able to scan and transmit - Im old enough where my budget can handle a $500 device, and Id prefer one that I can grow into as I test into higher levels and learn more about the radio arts.
Mobility is not an issue; I really want to set it up at home and am not worried about traveling (so I would prefer against handheld).
I would appreciate any recommendations from the members of this forum! submitted by /u/SirFluffkin
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Would like some suggestions for a UHF/VHF HT that's durable and between
50-100 dollars? thanks

Posted: 23 Dec 2021 02:27 PM PST https://www.reddit.com/r/amateurradio/comments/rn72xh/would_like_some_suggestions_for_a_uhfvhf_ht_thats/


Would like some suggestions for a UHF/VHF HT thats durable and between
50-100 dollars? thanks submitted by /u/Complex-Session-3180
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Anyone change careers after getting into radio?

Posted: 23 Dec 2021 10:17 AM PST https://www.reddit.com/r/amateurradio/comments/rn1qr9/anyone_change_careers_after_getting_into_radio/


I’m just getting started with amateur radio, and I’m also a recent college grad in Mechanical Engineering with a solid background in electrical, too. Whenever I look for jobs, I see more postings for RF engineers than
mechanical. I think in a few years I’ll go back for a masters in something. Maybe by then I’ll be really into radio and decide to change career paths a little. I’m just curious if anyone has done anything similar. submitted
by /u/cards2022
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Rohn telescopic masts

Posted: 23 Dec 2021 01:29 PM PST https://www.reddit.com/r/amateurradio/comments/rn5v08/rohn_telescopic_masts/


Has anyone used the ROHN telescopic masts? I had the idea of pouring a 8” diameter sonatube concrete pier to a depth of 4 ft. Cast a rebar slightly smaller than the inside diameter of the lower tube section up about 36” .
The Rohn mast would slip over the rebar. Then extend the mast with my
antenna to a height of 28 ft. The antenna would be above the 28 ft height.
I was also going to tether the Rohn mast with two aluminum brackets. One to
my exposed foundation and another at the peak of my roof. ( 24 ft )
Of course I would ground the antenna and the mast to a copper rod adjacent
to this set up.
This is going to be a spring project of course.
Opinions would be appreciated.
Brian submitted by /u/CountryCraftsman
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Must be Nice

Posted: 22 Dec 2021 06:40 PM PST https://www.reddit.com/r/amateurradio/comments/rmlfm4/must_be_nice/

submitted by /u/Shuttersparks
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Getting back into ham radio

Posted: 23 Dec 2021 10:36 PM PST https://www.reddit.com/r/amateurradio/comments/rng71c/getting_back_into_ham_radio/


Hey all, I just recently found all my old ham radio equipment in storage.
Its been a few years since Ive used any of it. Can anyone direct me to some good sources to brush up on everything? Im definitely a little more then
rusty. Thanks! submitted by /u/Kf7heh
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What is this worth? Kenwood TS-850S with manuals

Posted: 23 Dec 2021 11:48 AM PST https://www.reddit.com/r/amateurradio/comments/rn3pkj/what_is_this_worth_kenwood_ts850s_with_manuals/


I have a Kenwood TS-850S I am trying to sell but in my ignorance I am
trying to guage a good price for it. I used eham.net to search the
classifieds to see on a comparable value; I thought perhaps $450/500. It
was pulled from my fathers rig after his passing and has sat in a temp controlled environment. No mic, no PSU, but three manuals. Of course no
manuals means not tested. Any thoughts on this? I have had one or two
offers below what I pegged it at and Im hoping to avoid losing money
because I am not familiar with this stuff. Thank you in advance. https://preview.redd.it/rli815g4jc781.jpg?width=2016&format=pjpg&auto=webp&s=f90611207e818c4aef643e4a60354fc77b9987c2

https://preview.redd.it/2dd72l9gjc781.jpg?width=1512&format=pjpg&auto=webp&s=669f5cf293e4a9f7190ee4a03246b31df2e5eeed
https://preview.redd.it/24lt9n9gjc781.jpg?width=1512&format=pjpg&auto=webp&s=705ee30b798208dcd2df5136da1b86d9e3e6f95d
https://preview.redd.it/pf6ett9gjc781.jpg?width=1512&format=pjpg&auto=webp&s=814b7e7e05597a50d4d07d615c3082ba73d08b78
submitted
by /u/GedalyaTheAmazing
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Antenna question

Posted: 23 Dec 2021 11:58 AM PST https://www.reddit.com/r/amateurradio/comments/rn3x0v/antenna_question/


Yet a another antenna question…
TLDR; HOA, temporary antenna, need to get signal coming from front side of house
If you are still reading this…
In an HOA, so I need a temporary antenna. One that is easy to put up and
take down. We are in a standard box house. See picture https://i.imgur.com/BrQJuhx.jpg. I have an Ed Fong antenna attached to the outside railing of the deck. Unfortunately, the 2m traffic I want to hear
is on the front side of the house. I need to either put an antenna in the
front (again, HOA so not unless I can hide it in the front yard and bury
the coax) or get something on/over the roof. I’m too chicken to get up on
the roof or a ladder that tall. But I have no neighbors behind me so
putting something like a 2m car antenna on the eaves would probably be
great. Again, chicken.
I was thinking of attaching a telescoping pole to the outside railing of
the deck. I figure at least 30 feet. I was thinking of something like this https://www.dxengineering.com/parts/roh-h30. It says “All telescoping mast installations must be guyed or bracketed (sold separately) and should be performed by experienced or licensed installers.” I’m assuming this is true when putting this up for a few hours at a time too?
Attic has that foil insulation.
Suggestions? submitted by /u/Mycallsign
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ERROR - JTDX - 7300 Rig interface failure

Posted: 23 Dec 2021 06:53 PM PST https://www.reddit.com/r/amateurradio/comments/rnc8mj/error_jtdx_7300_rig_interface_failure/

submitted by /u/Bright-Prior444
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Tyt th 9000d mic says off

Posted: 23 Dec 2021 05:36 PM PST https://www.reddit.com/r/amateurradio/comments/rnatmz/tyt_th_9000d_mic_says_off/


Hi I’m new to radio and I have a tyt th 9000d that I just installed and
when I key it up it says off just wondering if anyone has the fix
Thanks submitted by /u/SnooPeanuts7092
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How do you mark your ferrites?

Posted: 23 Dec 2021 06:16 AM PST https://www.reddit.com/r/amateurradio/comments/rmwlm1/how_do_you_mark_your_ferrites/


I have a bunch of ferrites (240-43 and 140-43 at the moment, I think I have some others in labeled plastic bags somewhere) that Id like to mark what
they are. My Brother P-Touch H100LB label printer labels wont stick, and I tried a sharpie that wouldnt stick either (it smudged off of a touch).
People who mark their ferrites, what do you use/how do you do it?
submitted by /u/Santafio
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Would 10awg insulated solid copper wire be good radials for a 1/4 wave 6
meter monopole?

Posted: 23 Dec 2021 04:10 PM PST https://www.reddit.com/r/amateurradio/comments/rn96kw/would_10awg_insulated_solid_copper_wire_be_good/


Or would it bend too much? Would four radials be enough or should I add 6,
8, etc? submitted by /u/joe_rt
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Anyone mess with those big 110W VHF Kenwood mobiles?

Posted: 23 Dec 2021 05:42 AM PST https://www.reddit.com/r/amateurradio/comments/rmvy0q/anyone_mess_with_those_big_110w_vhf_kenwood/


They keep tempting me on eBay and I keep trying to tell myself that I DON’T need one, but with the prices being what they are… I kinda want one just
for fun.
But realistically, what fun, if any, can really be had with 100 watts on
VHF that can’t be had with 50? The only things I can think of are VHF
contest days or more chances of making contacts on 146.520. It could make
for a very beefy APRS beacon, but I don’t really need that either.
Just looking for people to talk me out of or into one of these. submitted
by /u/Shirkaday
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