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Search found 1100 matches

by g8tzl2004
Wed Oct 31, 2018 4:10 pm
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: Maxtrac Low Band 31 MHz - TX power falls back after PTT pressed?
Replies: 9
Views: 3344

Re: Maxtrac Low Band 31 MHz - TX power falls back after PTT pressed?

My PSU is rated at 25A so should be OK. The TOT was originally set to 60 secs. The radio was also originally running around 50W with a TX output setting of "100". I lowered this to "50" but still got the power burst effect...but maybe I need to realign the whole TX stage...but th...
by g8tzl2004
Fri Oct 19, 2018 1:51 pm
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: Maxtrac Low Band 31 MHz - TX power falls back after PTT pressed?
Replies: 9
Views: 3344

Re: Maxtrac Low Band 31 MHz - TX power falls back after PTT pressed?

Thanks for the feedback. I lowered the TX power (from 100 to 50) but still get the "power burst"....and I assume its still Txing "in band". The radio was from an SK sale so nobody to ask about its history. Maybe its a "36 - 42 MHz" radio...but the radio still had 31 - 3...
by g8tzl2004
Thu Oct 11, 2018 3:19 pm
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: Maxtrac Low Band 31 MHz - TX power falls back after PTT pressed?
Replies: 9
Views: 3344

Maxtrac Low Band 31 MHz - TX power falls back after PTT pressed?

I have acquired a Low Band Maxtrac which currently RX's/TX's around 31 - 33 MHz....so should be good for 29MHz. The RX side works OK. There is a problem with the TX. When I press the PTT I get 50W for a fraction of a second and then the power rapidly falls back to mW's over a 2 second period. If I p...
by g8tzl2004
Mon Aug 27, 2018 6:59 am
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: Motorola Saber 3 UHF - 5.4KHz off frequency- normal drift?
Replies: 5
Views: 1200

Re: Motorola Saber 3 UHF - 5.4KHz off frequency- normal drift?

UPDATE: I have successfully warped my 5.4KHz off-frequency Saber back onto frequency..within 60Hz It looks like the previous owner had maybe dumped another CP into the radio but had pressed "No" rather than "Yes"....the wording on the RSS is not clear (see posting from 6 years ag...
by g8tzl2004
Sat Aug 25, 2018 5:38 am
Forum: MotoTRBO Portables and Mobiles (3xxx/5xxx/7xxx/SL) 2.0 Series Subscribers
Topic: Motorola SL300 - need to wait after power down before will charge?
Replies: 8
Views: 684

Re: Motorola SL300 - need to wait after power down before will charge?

Did you use an OEM Motorola programming cable or just a standard micro to USB A cable?
by g8tzl2004
Fri Aug 24, 2018 4:26 pm
Forum: MotoTRBO Portables and Mobiles (3xxx/5xxx/7xxx/SL) 2.0 Series Subscribers
Topic: Motorola SL300 - need to wait after power down before will charge?
Replies: 8
Views: 684

Re: Motorola SL300 - need to wait after power down before will charge?

Maybe the radio detects that an non OEM charger is attached so gives the warning to encourage users to buy an "expensive" OEM Motorola charger :) But maybe there is a 5 minute timeout on the warning :) Is the OEM charger identical/similar to a real Motorola micro USB cellphone charger? Has...
by g8tzl2004
Fri Aug 24, 2018 4:07 pm
Forum: MotoTRBO Portables and Mobiles (3xxx/5xxx/7xxx/SL) 2.0 Series Subscribers
Topic: Motorola SL300 - need to wait after power down before will charge?
Replies: 8
Views: 684

Re: Motorola SL300 - need to wait after power down before will charge?

I got the SL300's real cheap from a junksale - seller must have thought that they were FRS type radios - they sort of look a bit like FRS radios but are actually great performers. However the radios did not come with an OEM Motorola micro USB charger...but USB chargers are meant to be "standard...
by g8tzl2004
Mon Aug 06, 2018 8:40 am
Forum: MotoTRBO Portables and Mobiles (3xxx/5xxx/7xxx/SL) 2.0 Series Subscribers
Topic: Motorola SL300 - need to wait after power down before will charge?
Replies: 8
Views: 684

Motorola SL300 - need to wait after power down before will charge?

I am charging my SL300's using a standard USB charger (5v 2A) but not an official Motorola charger....actual one used to charge a tablet PC so plenty of current. The SL300's charge OK...BUT I have found that if I have been using the SL300's, if I power down and immediately connect the charger, I get...
by g8tzl2004
Tue Jul 17, 2018 10:19 am
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: Motorola Saber 3 UHF - 5.4KHz off frequency- normal drift?
Replies: 5
Views: 1200

Re: Motorola Saber 3 UHF - 5.4KHz off frequency- normal drift?

Thanks RFI-EMI-GUY. OK on maybe the radio had had a codeplug dumped in but the tuning values of the other radio were retained rather than the tuning values of the actual radio. I checked my notes from years ago and it was an easy mistake to use the wrong tuning values...the RSS wording was not at al...
by g8tzl2004
Sun Jun 24, 2018 5:55 am
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: Motorola Saber 3 UHF - 5.4KHz off frequency- normal drift?
Replies: 5
Views: 1200

Re: Motorola Saber 3 UHF - 5.4KHz off frequency- normal drift?

I used a frequency counter to measure the Saber 3's TX frequency. I checked the frequency counter using 3 other radios which are all +/-200Hz. My frequency counter has not been calibrated but its within a few hundred Hz...the Saber is 5400Hz off frequency (10x more than "acceptable")...wea...
by g8tzl2004
Sat Jun 23, 2018 2:44 pm
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: Motorola Saber 3 UHF - 5.4KHz off frequency- normal drift?
Replies: 5
Views: 1200

Motorola Saber 3 UHF - 5.4KHz off frequency- normal drift?

I have a UHF Saber 3 which is 5.4 KHz off frequency. I have had other Motorola UHF stuff such as MCS2000's and MTS2000's which have been 2KHz off frequency and have warped back onto frequency OK....I guess the TXCO crystal has drifted over the years...and the drift is always greater with UHF stuff.....
by g8tzl2004
Sat Jun 23, 2018 1:21 pm
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: DTR650 - stuck PTT microswitch - removing rubber cover
Replies: 0
Views: 681

DTR650 - stuck PTT microswitch - removing rubber cover

I have a DTR650 which has a stuck PTT micro-switch. I've "manipulated" the rubber PTT cover and the PTT micro-switch has sort of released and if I gently press the PTT it will release OK when I stop pressing. But if I press harder (as in normal use), the PTT micro-switch still gets stuck a...
by g8tzl2004
Thu May 17, 2018 6:44 am
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: DTR650 - radio covered in white residue - why?
Replies: 5
Views: 2342

Re: DTR650 - radio covered in white residue - why?

I used a damp cloth and rubbed real hard and eventually the white residue started to come off...I got a black residue on the cloth which I guess was the top layer of the rubber. I think the black rubber residue left on the cloth provided a bit of abrasion which helped get more of the white residue o...
by g8tzl2004
Wed May 16, 2018 1:55 pm
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: DTR650 - radio covered in white residue - why?
Replies: 5
Views: 2342

DTR650 - radio covered in white residue - why?

I dug out my DTR650's the other day and the outer rim of the body (basically the entire top, bottom and sides) was covered in white residue!! It looked like it had been painted white!! I've seen this on Motorola antennas...but it was many times worse on the DTR650's...much thicker residue . Any idea...
by g8tzl2004
Sat May 05, 2018 4:22 am
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: GM350/GM950 test lead and tuning
Replies: 1
Views: 884

Re: GM350/GM950 test lead and tuning

I believe you can just use the standard programming cable to access Service Mode and then adjust the TX frequency. I just Tx'ed into a 2m antenna positioned near my portable frequency counter....simple but worked. You adjust the TX frequency using the software...press an F key (can't remember which ...
by g8tzl2004
Sun Feb 25, 2018 11:45 am
Forum: ASTRO25 Series (XTS/XTL 1500/2500/5000) Subscribers
Topic: XTL2500 - does remote head firmware need to match body firmware?
Replies: 3
Views: 838

XTL2500 - does remote head firmware need to match body firmware?

I have a remote mount 110W VHF XTL2500.

Can I use the remote head from the VHF 110W radio on a 50W UHF brick without doing any firmware updates or option updates to the head (or brick)?

Or does the remote head contain firmware that needs to match the brick firmware?

Thanks
by g8tzl2004
Wed Nov 15, 2017 10:26 am
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: Motorola Micom 2ET "MCS2000" head - standard mic?
Replies: 2
Views: 707

Re: Motorola Micom 2ET "MCS2000" head - standard mic?

OK thanks com501. It looks like the real Micom 2 hand mic for a "MCS2000" type head is a FMN1615A. This looks identical to a HMN3413 GM300 "all black" mic...but obviously is wired differently as per your warning. I think this Micom 2 originally came with "probably" the ...
by g8tzl2004
Sat Nov 11, 2017 4:21 pm
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: Motorola Micom 2ET "MCS2000" head - standard mic?
Replies: 2
Views: 707

Motorola Micom 2ET "MCS2000" head - standard mic?

Does a Motorola Micom (MOBAT) 2ET HF radio with a remote head (which looks like an MCS2000 head) use a standard Motorola mic with standard pin outs?

Thanks
by g8tzl2004
Wed Nov 08, 2017 3:32 pm
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: XPR3500 vs XPR7550 - programming cable
Replies: 10
Views: 1173

Re: XPR3500 vs XPR7550 - programming cable

Does the Motorola online MOL "database" list the price as $20 or is the official price higher and resellers are discounting?
by g8tzl2004
Wed Nov 08, 2017 8:59 am
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: XPR3500 vs XPR7550 - programming cable
Replies: 10
Views: 1173

Re: XPR3500 vs XPR7550 - programming cable

OK - cheaper than the fleabay copies!!!!

You would think Motorola would be charging $120 not $20!!! :)
by g8tzl2004
Wed Nov 08, 2017 7:18 am
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: XPR3500 vs XPR7550 - programming cable
Replies: 10
Views: 1173

Re: XPR3500 vs XPR7550 - programming cable

Is that $20 for a genuine Motorola cable or a Chinese Fleabay copy which requires a driver?
by g8tzl2004
Fri Oct 20, 2017 8:07 am
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: What's the point of an Impres lithium battery?
Replies: 19
Views: 2139

Re: What's the point of an Impres lithium battery?

One day the Impres battery charges OK...but the next day the charger will not charge the battery....flashing red light

What has changed? Why is the charger rejecting the battery?
by g8tzl2004
Fri Oct 13, 2017 4:28 pm
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: What's the point of an Impres lithium battery?
Replies: 19
Views: 2139

Re: What's the point of an Impres lithium battery?

So does the power management circuit in an Impres battery "disable" the battery when the capacity falls below, say, 80% of the original battery capacity?

Rather than let the user decide to replace the battery, the Impres system just kills the battery even though its "80% good"?
by g8tzl2004
Thu Oct 12, 2017 2:29 pm
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: XTS5000 "thin" lithium battery - now dead - why?
Replies: 5
Views: 873

Re: XTS5000 "thin" lithium battery - now dead - why?

Rectangular Jedi style?...shoe type...works with Sabers, MTS2000 and XTS radios.
by g8tzl2004
Tue Oct 10, 2017 1:52 pm
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: XTS5000 "thin" lithium battery - now dead - why?
Replies: 5
Views: 873

Re: XTS5000 "thin" lithium battery - now dead - why?

I was only trickle charging at 60mA for a few minutes....NOT 20A :) I wonder if the battery internal impedance gets too high and the power management circuit will not pass current? My "intelligent" AA/AAA NiMH charger refuses to charge AA and AAA's where the internal resistance is too high...
by g8tzl2004
Mon Oct 09, 2017 4:51 pm
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: XPR7550 battery - steady red/ flashing red??
Replies: 1
Views: 592

XPR7550 battery - steady red/ flashing red??

I have an XPR7550 Impres lithium battery that is steady red for say 3 seconds (sometimes longer) and then flashing red for say 6 seconds (sometimes longer). The battery info screen is displaying "recondition battery". I have put the radio through an orange (yellow?) recondition cycle - the...
by g8tzl2004
Mon Oct 09, 2017 1:51 pm
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: XTS5000 "thin" lithium battery - now dead - why?
Replies: 5
Views: 873

XTS5000 "thin" lithium battery - now dead - why?

My nice thin lithium battery for my XTS5000 has stopped charging - flashing red LED. The battery was dead (not sure of the voltage) and when I inserted it into my "intelligent" charger it went steady red. I wanted to test a radio so I took the battery off charge early (say after 30 minutes...
by g8tzl2004
Thu Oct 05, 2017 12:47 pm
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: What's the point of an Impres lithium battery?
Replies: 19
Views: 2139

Re: What's the point of an Impres lithium battery?

The label on the base of my XPR Impres charger says "steady orange = reconditioning" :)

So it should say "recalibrating"
by g8tzl2004
Sun Oct 01, 2017 8:23 am
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: What's the point of an Impres lithium battery?
Replies: 19
Views: 2139

Re: What's the point of an Impres lithium battery?

But you don't need to recondition a lithium battery.....only Nicad and NiMH batteries need reconditioning? My XPR3500 uses an original Motorola "non-Impress" lithium battery....the battery looks identical to my XPR7550 Impress lithium batteries except there is no "Impres" printed...
by g8tzl2004
Fri Sep 29, 2017 8:10 am
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: What's the point of an Impres lithium battery?
Replies: 19
Views: 2139

Re: What's the point of an Impres lithium battery?

But why pay extra for an "Impres" lithium battery rather than just using a non-Impres lithium battery?
by g8tzl2004
Tue Sep 26, 2017 12:36 pm
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: What's the point of an Impres lithium battery?
Replies: 19
Views: 2139

Re: What's the point of an Impres lithium battery?

I'm aware of the issues with Lithium ion batteries and the various backup systems included in the charging management circuit to prevent overcharging and possible explosions!! But you can buy a non-Impress Motorola lithium battery which does not have the "advantages" of an Impres lithium b...
by g8tzl2004
Sun Sep 24, 2017 10:04 am
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: What's the point of an Impres lithium battery?
Replies: 19
Views: 2139

What's the point of an Impres lithium battery?

While I understand that Nicad and NiMH batteries need to be cycled to recondition them, I always though that lithium batteries did not have any "memory effect" and you can top them up without having to cycle them with no issues. Does the Impres charger automatically attempt to recondition ...
by g8tzl2004
Sun Sep 24, 2017 7:28 am
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: New XPR7550e - 8% better range - is this true?
Replies: 12
Views: 1127

Re: New XPR7550e - 8% better range - is this true?

I need to do some experimenting...but can you not use Service Mode (or whatever) to lower the SQ threshold level - presumably the level of the 2 default SQ settings (normal/tight) must be set somehow?
by g8tzl2004
Sat Sep 23, 2017 2:58 pm
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: XPR3500 vs XPR7550 - programming cable
Replies: 10
Views: 1173

XPR3500 vs XPR7550 - programming cable

The smaller XPR3500 uses the same battery, charger and antenna as an XPR7550 but does NOT use the same programming cable. I can see no design reason why Motorola decided to change the accessory socket pin layout...the XPR3500 is around the same width as the XPR7550 so there is plenty of space. How d...
by g8tzl2004
Sat Sep 23, 2017 2:37 pm
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: New XPR7550e - 8% better range - is this true?
Replies: 12
Views: 1127

Re: New XPR7550e - 8% better range - is this true?

When the green RX LED lights up, I want the SQ to open!!!! Once the green LED lights up, the signal is readable BUT the radio then requires an extra 2dB of signal to open the SQ. What's the point of having the green LED light up if the SQ will not open? Why only have 2 SQ levels....why not have a va...
by g8tzl2004
Fri Sep 22, 2017 9:55 am
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: New XPR7550e - 8% better range - is this true?
Replies: 12
Views: 1127

Re: New XPR7550e - 8% better range - is this true?

The default squelch on the DMR repeater might be too high...and there is probably nothing you can do to lower it? The lowest analog SQ setting on my XPR5550 is also too high...there are only 2 SQ levels rather than being fully adjustable (such as with an MCS2000)....and its maybe the same in DMR mod...
by g8tzl2004
Fri Sep 22, 2017 5:21 am
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: New XPR7550e - 8% better range - is this true?
Replies: 12
Views: 1127

Re: New XPR7550e - 8% better range - is this true?

The 8% improved range claim is in official Motorola specs "....an improved receiver boosts range by up to 8%". Its interesting that Motorola has actually published accurate sensitivity specs...it will be interesting to see if all the new dual band P25 stuff has similar official accurate Rx...
by g8tzl2004
Tue Sep 19, 2017 3:25 pm
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: New XPR7550e - 8% better range - is this true?
Replies: 12
Views: 1127

New XPR7550e - 8% better range - is this true?

I read that the "new" XPR7550e (note the "e") vs the original XPR7550 had a quoted 8% better range compared to the original XPR7550. The official spec says the XPR7550e has an RX sensitivity of 0.16uV (analog) for 12dB SINAD and 0.14uV (digital). The original XPR7550 had quoted &...
by g8tzl2004
Fri Sep 08, 2017 5:14 am
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: Waris / CDM - out of band - CP Tool vs simple hex edit?
Replies: 3
Views: 888

Re: Waris / CDM - out of band - CP Tool vs simple hex edit?

motorola-otaku - what is the Austech method? Is this the mod which involves modifying the laptops registry and .dll's?? After spending 2 weeks working out the best way to get my Euro Waris GM360 onto 10m (which is identical to a CDM1550 but has Euro firmware), I have just begun experimenting with th...
by g8tzl2004
Wed Sep 06, 2017 7:37 am
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: Modifying Low Band CDM1550 onto 10m 29 MHz
Replies: 9
Views: 1400

Re: Modifying Low Band CDM1550 onto 10m 29 MHz

Check out W9CR's wiki and You Tube videos.

My 10m CDM is a Euro version with different firmware so the chirp app will not (yet) work.

I'm still unsure whether I need to mod the tuning points or just the band limits?
by g8tzl2004
Wed Sep 06, 2017 5:31 am
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: Waris / CDM - out of band - CP Tool vs simple hex edit?
Replies: 3
Views: 888

Re: Waris / CDM - out of band - CP Tool vs simple hex edit?

Is the "codeplug method" the same as just editing the correct file (GP300.exe) with a hex editor to extend the band limit....or is it the same as using the cptool? When I extended the band edge on my 10m Maxtrac I just edited the relevant codeplug file using a hexeditor. There is also chir...
by g8tzl2004
Wed Sep 06, 2017 5:15 am
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: Low band CDM - why do you need 3 radios to cover from 30 - 50MHz?
Replies: 23
Views: 3418

Re: Low band CDM - why do you need 3 radios to cover from 30 - 50MHz?

I checked the specs of the TK-690H and it officially covers down to 29.5 MHz with no mods...so I guess its OK for most of the 10m FM band without any hex editing...although maybe its easy to program a Kenwood out of band anyway?
by g8tzl2004
Mon Sep 04, 2017 1:57 pm
Forum: MotoTRBO Portables and Mobiles (3xxx/5xxx/7xxx/SL) 2.0 Series Subscribers
Topic: XPR7550 dead Impres lithium battery and flashing red light
Replies: 4
Views: 995

Re: XPR7550 dead Impres lithium battery and flashing red light

Charger model and firmware version - WPLN4226A v3.9 I have previously zapped Nicads and NiMH's but I always thought that you had to be careful with lithium batteries as they are liable to explode!!! Hence I used a "safe" trickle charge!! I wonder how many "good" XPR batteries hav...
by g8tzl2004
Sun Sep 03, 2017 1:19 pm
Forum: MotoTRBO Portables and Mobiles (3xxx/5xxx/7xxx/SL) 2.0 Series Subscribers
Topic: XPR7550 dead Impres lithium battery and flashing red light
Replies: 4
Views: 995

Re: XPR7550 dead Impres lithium battery and flashing red light

UPDATE: The impres battery fast charged OK!! I have now tried another dead Impres lithium battery. I used the same trickle charger. I had the following effect with the 1st battery as well as the 2nd battery.....I was trickle charging the battery and the voltage had risen from 3v to 6.8v...but when I...
by g8tzl2004
Sun Sep 03, 2017 9:34 am
Forum: MotoTRBO Portables and Mobiles (3xxx/5xxx/7xxx/SL) 2.0 Series Subscribers
Topic: XPR7550 dead Impres lithium battery and flashing red light
Replies: 4
Views: 995

XPR7550 dead Impres lithium battery and flashing red light

I attempted to charge an XPR7550 lithium battery which had not be charged for maybe 12 months and was completely flat (0.01v) The standard Impress charger just gave a flashing red light. I left it for an hour or so as I assumed that the charger was "intelligent" and would attempt to "...
by g8tzl2004
Sat Sep 02, 2017 9:35 am
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: Waris / CDM - out of band - CP Tool vs simple hex edit?
Replies: 3
Views: 888

Waris / CDM - out of band - CP Tool vs simple hex edit?

I have previously used a hex editor to extend the band edges of my Maxtrac and other radios. With the Waris / CDM line, the old Batlabs pages says to hex edit the original GP300.exe file by finding the original band edge in hex and then replacing with it the extended band edge and then to make sure ...
by g8tzl2004
Fri Sep 01, 2017 1:34 pm
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: Low band CDM - why do you need 3 radios to cover from 30 - 50MHz?
Replies: 23
Views: 3418

Re: Low band CDM - why do you need 3 radios to cover from 30 - 50MHz?

OK train_radio_guy on the ham radio receivers for 30 - 50 MHz. I think my FT817 and IC706 can RX between 30 and 50 MHz? I'm not sure about my TenTec Eagle? I was mainly wondering why Motorola took the trouble to build 3 slightly different radios for 30-50 MHz rather than having just one radio that d...
by g8tzl2004
Fri Sep 01, 2017 1:15 pm
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: Low band CDM - why do you need 3 radios to cover from 30 - 50MHz?
Replies: 23
Views: 3418

Re: Low band CDM - why do you need 3 radios to cover from 30 - 50MHz?

OK train_radio_guy on the ham radio receivers for 30 - 50 MHz. I think my FT817 and IC706 can RX between 30 and 50 MHz? I'm not sure about my TenTec Eagle? I was mainly wondering why Motorola took the trouble to build 3 slightly different radios for 30-50 MHz rather than having just one radio that d...

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